57220749

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{6481}}^1$

素因数の和:6602

約数の個数: 20

約数和(自身を含む): 86275420

約数和(自身を除く): 29054671

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 6481, 8829, 19443, 58329, 174987, 524961, 706429, 2119287, 6357861, 19073583, 57220749]

約数ペア:

[(1, 57220749), (3, 19073583), (9, 6357861), (27, 2119287), (81, 706429), (109, 524961), (327, 174987), (981, 58329), (2943, 19443), (6481, 8829)]