17970165

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1657}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 31296408

約数和(自身を除く): 13326243

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 1657, 2169, 3615, 4971, 8285, 10845, 14913, 24855, 74565, 399337, 1198011, 1996685, 3594033, 5990055, 17970165]

約数ペア:

[(1, 17970165), (3, 5990055), (5, 3594033), (9, 1996685), (15, 1198011), (45, 399337), (241, 74565), (723, 24855), (1205, 14913), (1657, 10845), (2169, 8285), (3615, 4971)]