17561921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 19595520

約数和(自身を除く): 2033599

約数列:

[1, 13, 53, 71, 359, 689, 923, 3763, 4667, 19027, 25489, 48919, 247351, 331357, 1350917, 17561921]

約数ペア:

[(1, 17561921), (13, 1350917), (53, 331357), (71, 247351), (359, 48919), (689, 25489), (923, 19027), (3763, 4667)]