30999969

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 128

約数和(自身を含む): 65372160

約数和(自身を除く): 34372191

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 31, 33, 37, 39, 63, 77, 91, 93, 99, 111, 117, 143, 189, 217, 231, 259, 273, 279, 297, 333, 341, 351, 403, 407, 429, 481, 651, 693, 777, 819, 837, 999, 1001, 1023, 1147, 1209, 1221, 1287, 1443, 1953, 2079, 2331, 2387, 2457, 2821, 2849, 3003, 3069, 3367, 3441, 3627, 3663, 3861, 4329, 4433, 5291, 5859, 6993, 7161, 8029, 8463, 8547, 9009, 9207, 10101, 10323, 10881, 10989, 12617, 12987, 13299, 14911, 15873, 21483, 24087, 25389, 25641, 27027, 30303, 30969, 31031, 37037, 37851, 39897, 44733, 47619, 64449, 72261, 76167, 76923, 88319, 90909, 93093, 104377, 111111, 113553, 119691, 134199, 142857, 164021, 216783, 264957, 279279, 313131, 333333, 340659, 402597, 492063, 794871, 837837, 939393, 999999, 1148147, 1476189, 2384613, 2818179, 3444441, 4428567, 10333323, 30999969]

約数ペア:

[(1, 30999969), (3, 10333323), (7, 4428567), (9, 3444441), (11, 2818179), (13, 2384613), (21, 1476189), (27, 1148147), (31, 999999), (33, 939393), (37, 837837), (39, 794871), (63, 492063), (77, 402597), (91, 340659), (93, 333333), (99, 313131), (111, 279279), (117, 264957), (143, 216783), (189, 164021), (217, 142857), (231, 134199), (259, 119691), (273, 113553), (279, 111111), (297, 104377), (333, 93093), (341, 90909), (351, 88319), (403, 76923), (407, 76167), (429, 72261), (481, 64449), (651, 47619), (693, 44733), (777, 39897), (819, 37851), (837, 37037), (999, 31031), (1001, 30969), (1023, 30303), (1147, 27027), (1209, 25641), (1221, 25389), (1287, 24087), (1443, 21483), (1953, 15873), (2079, 14911), (2331, 13299), (2387, 12987), (2457, 12617), (2821, 10989), (2849, 10881), (3003, 10323), (3069, 10101), (3367, 9207), (3441, 9009), (3627, 8547), (3663, 8463), (3861, 8029), (4329, 7161), (4433, 6993), (5291, 5859)]