17920397

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 21052224

約数和(自身を除く): 3131827

約数列:

[1, 11, 17, 61, 187, 671, 1037, 1571, 11407, 17281, 26707, 95831, 293777, 1054141, 1629127, 17920397]

約数ペア:

[(1, 17920397), (11, 1629127), (17, 1054141), (61, 293777), (187, 95831), (671, 26707), (1037, 17281), (1571, 11407)]