2291991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3457}}^1$

素因数の和:3490

約数の個数: 16

約数和(自身を含む): 3485664

約数和(自身を除く): 1193673

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 3457, 10371, 44941, 58769, 134823, 176307, 763997, 2291991]

約数ペア:

[(1, 2291991), (3, 763997), (13, 176307), (17, 134823), (39, 58769), (51, 44941), (221, 10371), (663, 3457)]