638545149

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3709}}^1$

素因数の和:3810

約数の個数: 48

約数和(自身を含む): 1055658240

約数和(自身を除く): 417113091

約数列:

[1, 3, 9, 11, 33, 37, 47, 99, 111, 141, 333, 407, 423, 517, 1221, 1551, 1739, 3663, 3709, 4653, 5217, 11127, 15651, 19129, 33381, 40799, 57387, 122397, 137233, 172161, 174323, 367191, 411699, 522969, 1235097, 1509563, 1568907, 1917553, 4528689, 5752659, 6449951, 13586067, 17257977, 19349853, 58049559, 70949461, 212848383, 638545149]

約数ペア:

[(1, 638545149), (3, 212848383), (9, 70949461), (11, 58049559), (33, 19349853), (37, 17257977), (47, 13586067), (99, 6449951), (111, 5752659), (141, 4528689), (333, 1917553), (407, 1568907), (423, 1509563), (517, 1235097), (1221, 522969), (1551, 411699), (1739, 367191), (3663, 174323), (3709, 172161), (4653, 137233), (5217, 122397), (11127, 57387), (15651, 40799), (19129, 33381)]