15215985

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{419}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 12000015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 419, 807, 1257, 1345, 2095, 2421, 3771, 4035, 6285, 7263, 11313, 12105, 18855, 36315, 56565, 112711, 338133, 563555, 1014399, 1690665, 3043197, 5071995, 15215985]

約数ペア:

[(1, 15215985), (3, 5071995), (5, 3043197), (9, 1690665), (15, 1014399), (27, 563555), (45, 338133), (135, 112711), (269, 56565), (419, 36315), (807, 18855), (1257, 12105), (1345, 11313), (2095, 7263), (2421, 6285), (3771, 4035)]