53870265

素因数分解:

$3^4\times 5^1\times {\mathrm{133013}}^1$

素因数の和:133030

約数の個数: 20

約数和(自身を含む): 96568164

約数和(自身を除く): 42697899

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 133013, 399039, 665065, 1197117, 1995195, 3591351, 5985585, 10774053, 17956755, 53870265]

約数ペア:

[(1, 53870265), (3, 17956755), (5, 10774053), (9, 5985585), (15, 3591351), (27, 1995195), (45, 1197117), (81, 665065), (135, 399039), (405, 133013)]