201109181

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 252844704

約数和(自身を除く): 51735523

約数列:

[1, 7, 13, 49, 91, 491, 637, 643, 3437, 4501, 6383, 8359, 24059, 31507, 44681, 58513, 312767, 315713, 409591, 2209991, 4104269, 15469937, 28729883, 201109181]

約数ペア:

[(1, 201109181), (7, 28729883), (13, 15469937), (49, 4104269), (91, 2209991), (491, 409591), (637, 315713), (643, 312767), (3437, 58513), (4501, 44681), (6383, 31507), (8359, 24059)]