2040702987

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{227}}^2\times {\mathrm{307}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 2805643456

約数和(自身を除く): 764940469

約数列:

[1, 3, 43, 129, 227, 307, 681, 921, 9761, 13201, 29283, 39603, 51529, 69689, 154587, 209067, 2215747, 2996627, 6647241, 8989881, 15819403, 47458209, 680234329, 2040702987]

約数ペア:

[(1, 2040702987), (3, 680234329), (43, 47458209), (129, 15819403), (227, 8989881), (307, 6647241), (681, 2996627), (921, 2215747), (9761, 209067), (13201, 154587), (29283, 69689), (39603, 51529)]