87039575

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1721}}^1$

素因数の和:1772

約数の個数: 36

約数和(自身を含む): 131106192

約数和(自身を除く): 44066617

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 289, 425, 595, 1445, 1721, 2023, 2975, 7225, 8605, 10115, 12047, 29257, 43025, 50575, 60235, 146285, 204799, 301175, 497369, 731425, 1023995, 2486845, 3481583, 5119975, 12434225, 17407915, 87039575]

約数ペア:

[(1, 87039575), (5, 17407915), (7, 12434225), (17, 5119975), (25, 3481583), (35, 2486845), (85, 1023995), (119, 731425), (175, 497369), (289, 301175), (425, 204799), (595, 146285), (1445, 60235), (1721, 50575), (2023, 43025), (2975, 29257), (7225, 12047), (8605, 10115)]