68915343

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 107241472

約数和(自身を除く): 38326129

約数列:

[1, 3, 7, 21, 103, 151, 211, 309, 453, 633, 721, 1057, 1477, 2163, 3171, 4431, 15553, 21733, 31861, 46659, 65199, 95583, 108871, 152131, 223027, 326613, 456393, 669081, 3281683, 9845049, 22971781, 68915343]

約数ペア:

[(1, 68915343), (3, 22971781), (7, 9845049), (21, 3281683), (103, 669081), (151, 456393), (211, 326613), (309, 223027), (453, 152131), (633, 108871), (721, 95583), (1057, 65199), (1477, 46659), (2163, 31861), (3171, 21733), (4431, 15553)]