1901340721

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1\times {\mathrm{2521}}^1$

素因数の和:3352

約数の個数: 16

約数和(自身を含む): 2190467968

約数和(自身を除く): 289127247

約数列:

[1, 7, 163, 661, 1141, 2521, 4627, 17647, 107743, 410923, 754201, 1666381, 2876461, 11664667, 271620103, 1901340721]

約数ペア:

[(1, 1901340721), (7, 271620103), (163, 11664667), (661, 2876461), (1141, 1666381), (2521, 754201), (4627, 410923), (17647, 107743)]