15421995

素因数分解:

$3^6\times 5^1\times {\mathrm{4231}}^1$

素因数の和:4254

約数の個数: 28

約数和(自身を含む): 27753456

約数和(自身を除く): 12331461

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 4231, 12693, 21155, 38079, 63465, 114237, 190395, 342711, 571185, 1028133, 1713555, 3084399, 5140665, 15421995]

約数ペア:

[(1, 15421995), (3, 5140665), (5, 3084399), (9, 1713555), (15, 1028133), (27, 571185), (45, 342711), (81, 190395), (135, 114237), (243, 63465), (405, 38079), (729, 21155), (1215, 12693), (3645, 4231)]