9999213

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 16591104

約数和(自身を除く): 6591891

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 757, 777, 1887, 2271, 4403, 5299, 12869, 13209, 15897, 28009, 38607, 84027, 90083, 196063, 270249, 476153, 588189, 1428459, 3333071, 9999213]

約数ペア:

[(1, 9999213), (3, 3333071), (7, 1428459), (17, 588189), (21, 476153), (37, 270249), (51, 196063), (111, 90083), (119, 84027), (259, 38607), (357, 28009), (629, 15897), (757, 13209), (777, 12869), (1887, 5299), (2271, 4403)]