239621721

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{2111}}^1$

素因数の和:2512

約数の個数: 16

約数和(自身を含む): 323017728

約数和(自身を除く): 83396007

約数列:

[1, 3, 157, 241, 471, 723, 2111, 6333, 37837, 113511, 331427, 508751, 994281, 1526253, 79873907, 239621721]

約数ペア:

[(1, 239621721), (3, 79873907), (157, 1526253), (241, 994281), (471, 508751), (723, 331427), (2111, 113511), (6333, 37837)]