160790265

素因数分解:

$3^4\times 5^1\times {\mathrm{397013}}^1$

素因数の和:397030

約数の個数: 20

約数和(自身を含む): 288232164

約数和(自身を除く): 127441899

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 397013, 1191039, 1985065, 3573117, 5955195, 10719351, 17865585, 32158053, 53596755, 160790265]

約数ペア:

[(1, 160790265), (3, 53596755), (5, 32158053), (9, 17865585), (15, 10719351), (27, 5955195), (45, 3573117), (81, 1985065), (135, 1191039), (405, 397013)]