81611838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 228559968

約数和(自身を除く): 146948130

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 53, 63, 66, 77, 99, 101, 106, 121, 126, 154, 159, 198, 202, 231, 242, 303, 318, 363, 371, 462, 477, 583, 606, 693, 707, 726, 742, 847, 909, 954, 1089, 1111, 1113, 1166, 1386, 1414, 1694, 1749, 1818, 2121, 2178, 2222, 2226, 2541, 3333, 3339, 3498, 4081, 4242, 5082, 5247, 5353, 6363, 6413, 6666, 6678, 7623, 7777, 8162, 9999, 10494, 10706, 12221, 12243, 12726, 12826, 15246, 15554, 16059, 19239, 19998, 23331, 24442, 24486, 32118, 36663, 36729, 37471, 38478, 44891, 46662, 48177, 57717, 58883, 69993, 73326, 73458, 74942, 85547, 89782, 96354, 109989, 112413, 115434, 117766, 134673, 139986, 171094, 176649, 219978, 224826, 256641, 269346, 337239, 353298, 404019, 412181, 513282, 529947, 647713, 674478, 769923, 808038, 824362, 1059894, 1236543, 1295426, 1539846, 1943139, 2473086, 3709629, 3886278, 4533991, 5829417, 7419258, 9067982, 11658834, 13601973, 27203946, 40805919, 81611838]

約数ペア:

[(1, 81611838), (2, 40805919), (3, 27203946), (6, 13601973), (7, 11658834), (9, 9067982), (11, 7419258), (14, 5829417), (18, 4533991), (21, 3886278), (22, 3709629), (33, 2473086), (42, 1943139), (53, 1539846), (63, 1295426), (66, 1236543), (77, 1059894), (99, 824362), (101, 808038), (106, 769923), (121, 674478), (126, 647713), (154, 529947), (159, 513282), (198, 412181), (202, 404019), (231, 353298), (242, 337239), (303, 269346), (318, 256641), (363, 224826), (371, 219978), (462, 176649), (477, 171094), (583, 139986), (606, 134673), (693, 117766), (707, 115434), (726, 112413), (742, 109989), (847, 96354), (909, 89782), (954, 85547), (1089, 74942), (1111, 73458), (1113, 73326), (1166, 69993), (1386, 58883), (1414, 57717), (1694, 48177), (1749, 46662), (1818, 44891), (2121, 38478), (2178, 37471), (2222, 36729), (2226, 36663), (2541, 32118), (3333, 24486), (3339, 24442), (3498, 23331), (4081, 19998), (4242, 19239), (5082, 16059), (5247, 15554), (5353, 15246), (6363, 12826), (6413, 12726), (6666, 12243), (6678, 12221), (7623, 10706), (7777, 10494), (8162, 9999)]