31282923

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1531}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 48901440

約数和(自身を除く): 17618517

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 1531, 2919, 4593, 6811, 10717, 20433, 32151, 75019, 212809, 225057, 638427, 1489663, 4468989, 10427641, 31282923]

約数ペア:

[(1, 31282923), (3, 10427641), (7, 4468989), (21, 1489663), (49, 638427), (139, 225057), (147, 212809), (417, 75019), (973, 32151), (1531, 20433), (2919, 10717), (4593, 6811)]