31997361

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 47250112

約数和(自身を除く): 15252751

約数列:

[1, 3, 11, 33, 121, 181, 363, 487, 543, 1461, 1991, 5357, 5973, 16071, 21901, 58927, 65703, 88147, 176781, 264441, 969617, 2908851, 10665787, 31997361]

約数ペア:

[(1, 31997361), (3, 10665787), (11, 2908851), (33, 969617), (121, 264441), (181, 176781), (363, 88147), (487, 65703), (543, 58927), (1461, 21901), (1991, 16071), (5357, 5973)]