121217131

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{130201}}^1$

素因数の和:130234

約数の個数: 12

約数和(自身を含む): 148430280

約数和(自身を除く): 27213149

約数列:

[1, 7, 19, 49, 133, 931, 130201, 911407, 2473819, 6379849, 17316733, 121217131]

約数ペア:

[(1, 121217131), (7, 17316733), (19, 6379849), (49, 2473819), (133, 911407), (931, 130201)]