265503987

素因数分解:

$3^9\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 80

約数和(自身を含む): 476163072

約数和(自身を除く): 210659085

約数列:

[1, 3, 7, 9, 21, 27, 41, 47, 63, 81, 123, 141, 189, 243, 287, 329, 369, 423, 567, 729, 861, 987, 1107, 1269, 1701, 1927, 2187, 2583, 2961, 3321, 3807, 5103, 5781, 6561, 7749, 8883, 9963, 11421, 13489, 15309, 17343, 19683, 23247, 26649, 29889, 34263, 40467, 45927, 52029, 69741, 79947, 89667, 102789, 121401, 137781, 156087, 209223, 239841, 269001, 308367, 364203, 468261, 627669, 719523, 807003, 925101, 1092609, 1404783, 1883007, 2158569, 3277827, 4214349, 5649021, 6475707, 9833481, 12643047, 29500443, 37929141, 88501329, 265503987]

約数ペア:

[(1, 265503987), (3, 88501329), (7, 37929141), (9, 29500443), (21, 12643047), (27, 9833481), (41, 6475707), (47, 5649021), (63, 4214349), (81, 3277827), (123, 2158569), (141, 1883007), (189, 1404783), (243, 1092609), (287, 925101), (329, 807003), (369, 719523), (423, 627669), (567, 468261), (729, 364203), (861, 308367), (987, 269001), (1107, 239841), (1269, 209223), (1701, 156087), (1927, 137781), (2187, 121401), (2583, 102789), (2961, 89667), (3321, 79947), (3807, 69741), (5103, 52029), (5781, 45927), (6561, 40467), (7749, 34263), (8883, 29889), (9963, 26649), (11421, 23247), (13489, 19683), (15309, 17343)]