642064173

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{9967}}^1$

素因数の和:10276

約数の個数: 16

約数和(自身を含む): 868412160

約数和(自身を除く): 226347987

約数列:

[1, 3, 109, 197, 327, 591, 9967, 21473, 29901, 64419, 1086403, 1963499, 3259209, 5890497, 214021391, 642064173]

約数ペア:

[(1, 642064173), (3, 214021391), (109, 5890497), (197, 3259209), (327, 1963499), (591, 1086403), (9967, 64419), (21473, 29901)]