207300821

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{773}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 260649144

約数和(自身を除く): 53348323

約数列:

[1, 7, 13, 49, 91, 421, 637, 773, 2947, 5411, 5473, 10049, 20629, 37877, 38311, 70343, 268177, 325433, 492401, 2278031, 4230629, 15946217, 29614403, 207300821]

約数ペア:

[(1, 207300821), (7, 29614403), (13, 15946217), (49, 4230629), (91, 2278031), (421, 492401), (637, 325433), (773, 268177), (2947, 70343), (5411, 38311), (5473, 37877), (10049, 20629)]