161741209

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 193015680

約数和(自身を除く): 31274471

約数列:

[1, 7, 49, 73, 103, 439, 511, 721, 3073, 3577, 5047, 7519, 21511, 32047, 45217, 52633, 224329, 316519, 368431, 1570303, 2215633, 3300841, 23105887, 161741209]

約数ペア:

[(1, 161741209), (7, 23105887), (49, 3300841), (73, 2215633), (103, 1570303), (439, 368431), (511, 316519), (721, 224329), (3073, 52633), (3577, 45217), (5047, 32047), (7519, 21511)]