131820845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{2137}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 173716776

約数和(自身を除く): 41895931

約数列:

[1, 5, 13, 65, 73, 169, 365, 845, 949, 2137, 4745, 10685, 12337, 27781, 61685, 138905, 156001, 361153, 780005, 1805765, 2028013, 10140065, 26364169, 131820845]

約数ペア:

[(1, 131820845), (5, 26364169), (13, 10140065), (65, 2028013), (73, 1805765), (169, 780005), (365, 361153), (845, 156001), (949, 138905), (2137, 61685), (4745, 27781), (10685, 12337)]