31227875

素因数分解:

$5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 45152640

約数和(自身を除く): 13924765

約数列:

[1, 5, 7, 25, 35, 89, 125, 175, 401, 445, 623, 875, 2005, 2225, 2807, 3115, 10025, 11125, 14035, 15575, 35689, 50125, 70175, 77875, 178445, 249823, 350875, 892225, 1249115, 4461125, 6245575, 31227875]

約数ペア:

[(1, 31227875), (5, 6245575), (7, 4461125), (25, 1249115), (35, 892225), (89, 350875), (125, 249823), (175, 178445), (401, 77875), (445, 70175), (623, 50125), (875, 35689), (2005, 15575), (2225, 14035), (2807, 11125), (3115, 10025)]