18007143

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 12198297

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 569, 959, 1507, 1707, 2877, 3983, 4521, 6259, 10549, 11949, 18777, 31647, 43813, 77953, 131439, 233859, 545671, 857483, 1637013, 2572449, 6002381, 18007143]

約数ペア:

[(1, 18007143), (3, 6002381), (7, 2572449), (11, 1637013), (21, 857483), (33, 545671), (77, 233859), (137, 131439), (231, 77953), (411, 43813), (569, 31647), (959, 18777), (1507, 11949), (1707, 10549), (2877, 6259), (3983, 4521)]