138611205

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{20399}}^1$

素因数の和:20561

約数の個数: 24

約数和(自身を含む): 241862400

約数和(自身を除く): 103251195

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 20399, 61197, 101995, 183591, 305985, 917955, 3080249, 9240747, 15401245, 27722241, 46203735, 138611205]

約数ペア:

[(1, 138611205), (3, 46203735), (5, 27722241), (9, 15401245), (15, 9240747), (45, 3080249), (151, 917955), (453, 305985), (755, 183591), (1359, 101995), (2265, 61197), (6795, 20399)]