15990789

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 21892032

約数和(自身を除く): 5901243

約数列:

[1, 3, 53, 159, 163, 489, 617, 1851, 8639, 25917, 32701, 98103, 100571, 301713, 5330263, 15990789]

約数ペア:

[(1, 15990789), (3, 5330263), (53, 301713), (159, 100571), (163, 98103), (489, 32701), (617, 25917), (1851, 8639)]