205381869

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18917}}^1$

素因数の和:18985

約数の個数: 32

約数和(自身を含む): 348696576

約数和(自身を除く): 143314707

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 3619, 10857, 18917, 56751, 132419, 208087, 397257, 624261, 889099, 1456609, 2667297, 4369827, 6223693, 9780089, 18671079, 29340267, 68460623, 205381869]

約数ペア:

[(1, 205381869), (3, 68460623), (7, 29340267), (11, 18671079), (21, 9780089), (33, 6223693), (47, 4369827), (77, 2667297), (141, 1456609), (231, 889099), (329, 624261), (517, 397257), (987, 208087), (1551, 132419), (3619, 56751), (10857, 18917)]