15926985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8231}}^1$

素因数の和:8285

約数の個数: 24

約数和(自身を含む): 28252224

約数和(自身を除く): 12325239

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 8231, 24693, 41155, 74079, 123465, 353933, 370395, 1061799, 1769665, 3185397, 5308995, 15926985]

約数ペア:

[(1, 15926985), (3, 5308995), (5, 3185397), (9, 1769665), (15, 1061799), (43, 370395), (45, 353933), (129, 123465), (215, 74079), (387, 41155), (645, 24693), (1935, 8231)]