31380993

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7219}}^1$

素因数の和:7258

約数の個数: 32

約数和(自身を含む): 55449600

約数和(自身を除く): 24068607

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 7219, 21657, 50533, 64971, 151599, 166037, 194913, 454797, 498111, 1162259, 1364391, 1494333, 3486777, 4482999, 10460331, 31380993]

約数ペア:

[(1, 31380993), (3, 10460331), (7, 4482999), (9, 3486777), (21, 1494333), (23, 1364391), (27, 1162259), (63, 498111), (69, 454797), (161, 194913), (189, 166037), (207, 151599), (483, 64971), (621, 50533), (1449, 21657), (4347, 7219)]