397247979

素因数分解:

$3^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1\times {\mathrm{1019}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 533664000

約数和(自身を除く): 136416021

約数列:

[1, 3, 199, 597, 653, 1019, 1959, 3057, 129947, 202781, 389841, 608343, 665407, 1996221, 132415993, 397247979]

約数ペア:

[(1, 397247979), (3, 132415993), (199, 1996221), (597, 665407), (653, 608343), (1019, 389841), (1959, 202781), (3057, 129947)]