320493957

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{114749}}^1$

素因数の和:114785

約数の個数: 24

約数和(自身を含む): 523260000

約数和(自身を除く): 202766043

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 114749, 344247, 803243, 2180231, 2409729, 5622701, 6540693, 15261617, 16868103, 45784851, 106831319, 320493957]

約数ペア:

[(1, 320493957), (3, 106831319), (7, 45784851), (19, 16868103), (21, 15261617), (49, 6540693), (57, 5622701), (133, 2409729), (147, 2180231), (399, 803243), (931, 344247), (2793, 114749)]