2021136765

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{25997}}^1$

素因数の和:26149

約数の個数: 32

約数和(自身を含む): 3324416256

約数和(自身を除く): 1303279491

約数列:

[1, 3, 5, 15, 71, 73, 213, 219, 355, 365, 1065, 1095, 5183, 15549, 25915, 25997, 77745, 77991, 129985, 389955, 1845787, 1897781, 5537361, 5693343, 9228935, 9488905, 27686805, 28466715, 134742451, 404227353, 673712255, 2021136765]

約数ペア:

[(1, 2021136765), (3, 673712255), (5, 404227353), (15, 134742451), (71, 28466715), (73, 27686805), (213, 9488905), (219, 9228935), (355, 5693343), (365, 5537361), (1065, 1897781), (1095, 1845787), (5183, 389955), (15549, 129985), (25915, 77991), (25997, 77745)]