199902507

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 330946560

約数和(自身を除く): 131044053

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 167, 357, 479, 501, 833, 1169, 1437, 2499, 2839, 3353, 3507, 8143, 8183, 8517, 10059, 19873, 23471, 24429, 24549, 57001, 59619, 70413, 79993, 139111, 171003, 239979, 399007, 417333, 559951, 1197021, 1359881, 1679853, 3919657, 4079643, 9519167, 11758971, 28557501, 66634169, 199902507]

約数ペア:

[(1, 199902507), (3, 66634169), (7, 28557501), (17, 11758971), (21, 9519167), (49, 4079643), (51, 3919657), (119, 1679853), (147, 1359881), (167, 1197021), (357, 559951), (479, 417333), (501, 399007), (833, 239979), (1169, 171003), (1437, 139111), (2499, 79993), (2839, 70413), (3353, 59619), (3507, 57001), (8143, 24549), (8183, 24429), (8517, 23471), (10059, 19873)]