28557501

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 17891139

約数列:

[1, 3, 7, 17, 21, 51, 119, 167, 357, 479, 501, 1169, 1437, 2839, 3353, 3507, 8143, 8517, 10059, 19873, 24429, 57001, 59619, 79993, 171003, 239979, 559951, 1359881, 1679853, 4079643, 9519167, 28557501]

約数ペア:

[(1, 28557501), (3, 9519167), (7, 4079643), (17, 1679853), (21, 1359881), (51, 559951), (119, 239979), (167, 171003), (357, 79993), (479, 59619), (501, 57001), (1169, 24429), (1437, 19873), (2839, 10059), (3353, 8517), (3507, 8143)]