13380185

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4233

約数の個数: 24

約数和(自身を含む): 20119176

約数和(自身を除く): 6738991

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 4201, 21005, 29407, 54613, 147035, 205849, 273065, 382291, 1029245, 1911455, 2676037, 13380185]

約数ペア:

[(1, 13380185), (5, 2676037), (7, 1911455), (13, 1029245), (35, 382291), (49, 273065), (65, 205849), (91, 147035), (245, 54613), (455, 29407), (637, 21005), (3185, 4201)]