30821425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 41354496

約数和(自身を除く): 10533071

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 1543, 3995, 7715, 19975, 26231, 38575, 72521, 131155, 362605, 655775, 1232857, 1813025, 6164285, 30821425]

約数ペア:

[(1, 30821425), (5, 6164285), (17, 1813025), (25, 1232857), (47, 655775), (85, 362605), (235, 131155), (425, 72521), (799, 38575), (1175, 26231), (1543, 19975), (3995, 7715)]