99975239

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3244

約数の個数: 20

約数和(自身を含む): 125641656

約数和(自身を除く): 25666417

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 3203, 4459, 22421, 31213, 41639, 156947, 291473, 1098629, 2040311, 7690403, 14282177, 99975239]

約数ペア:

[(1, 99975239), (7, 14282177), (13, 7690403), (49, 2040311), (91, 1098629), (343, 291473), (637, 156947), (2401, 41639), (3203, 31213), (4459, 22421)]