15909615

素因数分解:

$3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 28813488

約数和(自身を除く): 12903873

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 163, 241, 405, 489, 723, 815, 1205, 1467, 2169, 2445, 3615, 4401, 6507, 7335, 10845, 13203, 19521, 22005, 32535, 39283, 66015, 97605, 117849, 196415, 353547, 589245, 1060641, 1767735, 3181923, 5303205, 15909615]

約数ペア:

[(1, 15909615), (3, 5303205), (5, 3181923), (9, 1767735), (15, 1060641), (27, 589245), (45, 353547), (81, 196415), (135, 117849), (163, 97605), (241, 66015), (405, 39283), (489, 32535), (723, 22005), (815, 19521), (1205, 13203), (1467, 10845), (2169, 7335), (2445, 6507), (3615, 4401)]