612157

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:89

約数の個数: 18

約数和(自身を含む): 792414

約数和(自身を除く): 180257

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 961, 1519, 2821, 6727, 12493, 19747, 47089, 87451, 612157]

約数ペア:

[(1, 612157), (7, 87451), (13, 47089), (31, 19747), (49, 12493), (91, 6727), (217, 2821), (403, 1519), (637, 961)]