21062565

素因数分解:

$3^3\times 5^1\times {\mathrm{156019}}^1$

素因数の和:156033

約数の個数: 16

約数和(自身を含む): 37444800

約数和(自身を除く): 16382235

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 156019, 468057, 780095, 1404171, 2340285, 4212513, 7020855, 21062565]

約数ペア:

[(1, 21062565), (3, 7020855), (5, 4212513), (9, 2340285), (15, 1404171), (27, 780095), (45, 468057), (135, 156019)]