81831816

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 260467200

約数和(自身を除く): 178635384

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 31, 33, 36, 44, 54, 62, 66, 72, 88, 93, 99, 101, 108, 121, 124, 132, 186, 198, 202, 216, 242, 248, 264, 279, 297, 303, 341, 363, 372, 396, 404, 484, 558, 594, 606, 682, 726, 744, 792, 808, 837, 909, 968, 1023, 1089, 1111, 1116, 1188, 1212, 1364, 1452, 1674, 1818, 2046, 2178, 2222, 2232, 2376, 2424, 2727, 2728, 2904, 3069, 3131, 3267, 3333, 3348, 3636, 3751, 4092, 4356, 4444, 5454, 6138, 6262, 6534, 6666, 6696, 7272, 7502, 8184, 8712, 8888, 9207, 9393, 9999, 10908, 11253, 12221, 12276, 12524, 13068, 13332, 15004, 18414, 18786, 19998, 21816, 22506, 24442, 24552, 25048, 26136, 26664, 28179, 29997, 30008, 33759, 34441, 36663, 36828, 37572, 39996, 45012, 48884, 56358, 59994, 67518, 68882, 73326, 73656, 75144, 79992, 84537, 90024, 97768, 101277, 103323, 109989, 112716, 119988, 135036, 137764, 146652, 169074, 202554, 206646, 219978, 225432, 239976, 270072, 275528, 293304, 309969, 329967, 338148, 378851, 405108, 413292, 439956, 619938, 659934, 676296, 757702, 810216, 826584, 879912, 929907, 1136553, 1239876, 1319868, 1515404, 1859814, 2273106, 2479752, 2639736, 3030808, 3409659, 3719628, 4546212, 6819318, 7439256, 9092424, 10228977, 13638636, 20457954, 27277272, 40915908, 81831816]

約数ペア:

[(1, 81831816), (2, 40915908), (3, 27277272), (4, 20457954), (6, 13638636), (8, 10228977), (9, 9092424), (11, 7439256), (12, 6819318), (18, 4546212), (22, 3719628), (24, 3409659), (27, 3030808), (31, 2639736), (33, 2479752), (36, 2273106), (44, 1859814), (54, 1515404), (62, 1319868), (66, 1239876), (72, 1136553), (88, 929907), (93, 879912), (99, 826584), (101, 810216), (108, 757702), (121, 676296), (124, 659934), (132, 619938), (186, 439956), (198, 413292), (202, 405108), (216, 378851), (242, 338148), (248, 329967), (264, 309969), (279, 293304), (297, 275528), (303, 270072), (341, 239976), (363, 225432), (372, 219978), (396, 206646), (404, 202554), (484, 169074), (558, 146652), (594, 137764), (606, 135036), (682, 119988), (726, 112716), (744, 109989), (792, 103323), (808, 101277), (837, 97768), (909, 90024), (968, 84537), (1023, 79992), (1089, 75144), (1111, 73656), (1116, 73326), (1188, 68882), (1212, 67518), (1364, 59994), (1452, 56358), (1674, 48884), (1818, 45012), (2046, 39996), (2178, 37572), (2222, 36828), (2232, 36663), (2376, 34441), (2424, 33759), (2727, 30008), (2728, 29997), (2904, 28179), (3069, 26664), (3131, 26136), (3267, 25048), (3333, 24552), (3348, 24442), (3636, 22506), (3751, 21816), (4092, 19998), (4356, 18786), (4444, 18414), (5454, 15004), (6138, 13332), (6262, 13068), (6534, 12524), (6666, 12276), (6696, 12221), (7272, 11253), (7502, 10908), (8184, 9999), (8712, 9393), (8888, 9207)]