556392717

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{6991}}^1$

素因数の和:7273

約数の個数: 24

約数和(自身を含む): 828971520

約数和(自身を除く): 272578803

約数列:

[1, 3, 9, 37, 111, 239, 333, 717, 2151, 6991, 8843, 20973, 26529, 62919, 79587, 258667, 776001, 1670849, 2328003, 5012547, 15037641, 61821413, 185464239, 556392717]

約数ペア:

[(1, 556392717), (3, 185464239), (9, 61821413), (37, 15037641), (111, 5012547), (239, 2328003), (333, 1670849), (717, 776001), (2151, 258667), (6991, 79587), (8843, 62919), (20973, 26529)]