17218421

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{269}}^1$

素因数の和:337

約数の個数: 18

約数和(自身を含む): 19858230

約数和(自身を除く): 2639809

約数列:

[1, 11, 23, 121, 253, 269, 529, 2783, 2959, 5819, 6187, 32549, 64009, 68057, 142301, 748627, 1565311, 17218421]

約数ペア:

[(1, 17218421), (11, 1565311), (23, 748627), (121, 142301), (253, 68057), (269, 64009), (529, 32549), (2783, 6187), (2959, 5819)]