31181493

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4933}}^1$

素因数の和:4993

約数の個数: 24

約数和(自身を含む): 49497888

約数和(自身を除く): 18316395

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 4933, 6321, 14799, 34531, 103593, 212119, 241717, 636357, 725151, 1484833, 4454499, 10393831, 31181493]

約数ペア:

[(1, 31181493), (3, 10393831), (7, 4454499), (21, 1484833), (43, 725151), (49, 636357), (129, 241717), (147, 212119), (301, 103593), (903, 34531), (2107, 14799), (4933, 6321)]