861651

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 1505280

約数和(自身を除く): 643629

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 97, 141, 189, 291, 329, 423, 679, 873, 987, 1269, 2037, 2619, 2961, 4559, 6111, 8883, 13677, 18333, 31913, 41031, 95739, 123093, 287217, 861651]

約数ペア:

[(1, 861651), (3, 287217), (7, 123093), (9, 95739), (21, 41031), (27, 31913), (47, 18333), (63, 13677), (97, 8883), (141, 6111), (189, 4559), (291, 2961), (329, 2619), (423, 2037), (679, 1269), (873, 987)]