42638025

素因数分解:

$3^1\times 5^2\times {\mathrm{751}}^1\times {\mathrm{757}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 70681984

約数和(自身を除く): 28043959

約数列:

[1, 3, 5, 15, 25, 75, 751, 757, 2253, 2271, 3755, 3785, 11265, 11355, 18775, 18925, 56325, 56775, 568507, 1705521, 2842535, 8527605, 14212675, 42638025]

約数ペア:

[(1, 42638025), (3, 14212675), (5, 8527605), (15, 2842535), (25, 1705521), (75, 568507), (751, 56775), (757, 56325), (2253, 18925), (2271, 18775), (3755, 11355), (3785, 11265)]