18551565

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1049}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 14712435

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1049, 1179, 1965, 3147, 3537, 5245, 5895, 9441, 15735, 17685, 28323, 47205, 137419, 141615, 412257, 687095, 1236771, 2061285, 3710313, 6183855, 18551565]

約数ペア:

[(1, 18551565), (3, 6183855), (5, 3710313), (9, 2061285), (15, 1236771), (27, 687095), (45, 412257), (131, 141615), (135, 137419), (393, 47205), (655, 28323), (1049, 17685), (1179, 15735), (1965, 9441), (3147, 5895), (3537, 5245)]