664562187

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{33427}}^1$

素因数の和:33527

約数の個数: 18

約数和(自身を含む): 980810948

約数和(自身を除く): 316248761

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 19881, 33427, 100281, 300843, 1571069, 4713207, 14139621, 73840243, 221520729, 664562187]

約数ペア:

[(1, 664562187), (3, 221520729), (9, 73840243), (47, 14139621), (141, 4713207), (423, 1571069), (2209, 300843), (6627, 100281), (19881, 33427)]