15125895

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7817}}^1$

素因数の和:7871

約数の個数: 24

約数和(自身を含む): 26831376

約数和(自身を除く): 11705481

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 7817, 23451, 39085, 70353, 117255, 336131, 351765, 1008393, 1680655, 3025179, 5041965, 15125895]

約数ペア:

[(1, 15125895), (3, 5041965), (5, 3025179), (9, 1680655), (15, 1008393), (43, 351765), (45, 336131), (129, 117255), (215, 70353), (387, 39085), (645, 23451), (1935, 7817)]