13120975

素因数分解:

$5^2\times 7^2\times {\mathrm{10711}}^1$

素因数の和:10735

約数の個数: 18

約数和(自身を含む): 18928104

約数和(自身を除く): 5807129

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 10711, 53555, 74977, 267775, 374885, 524839, 1874425, 2624195, 13120975]

約数ペア:

[(1, 13120975), (5, 2624195), (7, 1874425), (25, 524839), (35, 374885), (49, 267775), (175, 74977), (245, 53555), (1225, 10711)]