25257921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{4289}}^1$

素因数の和:4456

約数の個数: 16

約数和(自身を含む): 36516480

約数和(自身を除く): 11258559

約数列:

[1, 3, 13, 39, 151, 453, 1963, 4289, 5889, 12867, 55757, 167271, 647639, 1942917, 8419307, 25257921]

約数ペア:

[(1, 25257921), (3, 8419307), (13, 1942917), (39, 647639), (151, 167271), (453, 55757), (1963, 12867), (4289, 5889)]