51405991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3121}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 63638848

約数和(自身を除く): 12232857

約数列:

[1, 7, 13, 91, 181, 1267, 2353, 3121, 16471, 21847, 40573, 284011, 564901, 3954307, 7343713, 51405991]

約数ペア:

[(1, 51405991), (7, 7343713), (13, 3954307), (91, 564901), (181, 284011), (1267, 40573), (2353, 21847), (3121, 16471)]