201820073

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18637}}^1$

素因数の和:18681

約数の個数: 24

約数和(自身を含む): 267716232

約数和(自身を除く): 65896159

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 18637, 130459, 242281, 316829, 913213, 1695967, 2217803, 4118777, 11871769, 15524621, 28831439, 201820073]

約数ペア:

[(1, 201820073), (7, 28831439), (13, 15524621), (17, 11871769), (49, 4118777), (91, 2217803), (119, 1695967), (221, 913213), (637, 316829), (833, 242281), (1547, 130459), (10829, 18637)]