28201005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89527}}^1$

素因数の和:89545

約数の個数: 24

約数和(自身を含む): 55865472

約数和(自身を除く): 27664467

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89527, 268581, 447635, 626689, 805743, 1342905, 1880067, 3133445, 4028715, 5640201, 9400335, 28201005]

約数ペア:

[(1, 28201005), (3, 9400335), (5, 5640201), (7, 4028715), (9, 3133445), (15, 1880067), (21, 1342905), (35, 805743), (45, 626689), (63, 447635), (105, 268581), (315, 89527)]