217826547

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{2137}}^1$

素因数の和:2758

約数の個数: 16

約数和(自身を含む): 295864992

約数和(自身を除く): 78038445

約数列:

[1, 3, 61, 183, 557, 1671, 2137, 6411, 33977, 101931, 130357, 391071, 1190309, 3570927, 72608849, 217826547]

約数ペア:

[(1, 217826547), (3, 72608849), (61, 3570927), (183, 1190309), (557, 391071), (1671, 130357), (2137, 101931), (6411, 33977)]