31375449

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1427}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 51979200

約数和(自身を除く): 20603751

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 1427, 2443, 3141, 4281, 7329, 9989, 12843, 21987, 29967, 89901, 498023, 1494069, 3486161, 4482207, 10458483, 31375449]

約数ペア:

[(1, 31375449), (3, 10458483), (7, 4482207), (9, 3486161), (21, 1494069), (63, 498023), (349, 89901), (1047, 29967), (1427, 21987), (2443, 12843), (3141, 9989), (4281, 7329)]