31928379

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80021}}^1$

素因数の和:80050

約数の個数: 16

約数和(自身を含む): 51214080

約数和(自身を除く): 19285701

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 80021, 240063, 560147, 1520399, 1680441, 4561197, 10642793, 31928379]

約数ペア:

[(1, 31928379), (3, 10642793), (7, 4561197), (19, 1680441), (21, 1520399), (57, 560147), (133, 240063), (399, 80021)]