1640162493

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{443407}}^1$

素因数の和:443553

約数の個数: 16

約数和(自身を含む): 2447612160

約数和(自身を除く): 807449667

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 443407, 1330221, 3990663, 11971989, 60746759, 182240277, 546720831, 1640162493]

約数ペア:

[(1, 1640162493), (3, 546720831), (9, 182240277), (27, 60746759), (137, 11971989), (411, 3990663), (1233, 1330221), (3699, 443407)]