121986431

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 146280240

約数和(自身を除く): 24293809

約数列:

[1, 7, 49, 67, 73, 469, 509, 511, 3283, 3563, 3577, 4891, 24941, 34103, 34237, 37157, 238721, 239659, 260099, 1671047, 1820693, 2489519, 17426633, 121986431]

約数ペア:

[(1, 121986431), (7, 17426633), (49, 2489519), (67, 1820693), (73, 1671047), (469, 260099), (509, 239659), (511, 238721), (3283, 37157), (3563, 34237), (3577, 34103), (4891, 24941)]