81426705

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{757}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 133602048

約数和(自身を除く): 52175343

約数列:

[1, 3, 5, 15, 71, 101, 213, 303, 355, 505, 757, 1065, 1515, 2271, 3785, 7171, 11355, 21513, 35855, 53747, 76457, 107565, 161241, 229371, 268735, 382285, 806205, 1146855, 5428447, 16285341, 27142235, 81426705]

約数ペア:

[(1, 81426705), (3, 27142235), (5, 16285341), (15, 5428447), (71, 1146855), (101, 806205), (213, 382285), (303, 268735), (355, 229371), (505, 161241), (757, 107565), (1065, 76457), (1515, 53747), (2271, 35855), (3785, 21513), (7171, 11355)]