15281847

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2267}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 25474176

約数和(自身を除く): 10192329

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2267, 6741, 6801, 15869, 20403, 47607, 142821, 242569, 727707, 1697983, 2183121, 5093949, 15281847]

約数ペア:

[(1, 15281847), (3, 5093949), (7, 2183121), (9, 1697983), (21, 727707), (63, 242569), (107, 142821), (321, 47607), (749, 20403), (963, 15869), (2247, 6801), (2267, 6741)]