12405975

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3121}}^1$

素因数の和:3187

約数の個数: 24

約数和(自身を含む): 20904912

約数和(自身を除く): 8498937

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3121, 3975, 9363, 15605, 46815, 78025, 165413, 234075, 496239, 827065, 2481195, 4135325, 12405975]

約数ペア:

[(1, 12405975), (3, 4135325), (5, 2481195), (15, 827065), (25, 496239), (53, 234075), (75, 165413), (159, 78025), (265, 46815), (795, 15605), (1325, 9363), (3121, 3975)]