13140673

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 20

約数和(自身を含む): 16548308

約数和(自身を除く): 3407635

約数列:

[1, 7, 13, 49, 91, 343, 421, 637, 2401, 2947, 4459, 5473, 20629, 31213, 38311, 144403, 268177, 1010821, 1877239, 13140673]

約数ペア:

[(1, 13140673), (7, 1877239), (13, 1010821), (49, 268177), (91, 144403), (343, 38311), (421, 31213), (637, 20629), (2401, 5473), (2947, 4459)]