28336905

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2657}}^1$

素因数の和:2750

約数の個数: 32

約数和(自身を含む): 51033600

約数和(自身を除く): 22696695

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 2657, 3555, 7971, 10665, 13285, 23913, 39855, 71739, 119565, 209903, 358695, 629709, 1049515, 1889127, 3148545, 5667381, 9445635, 28336905]

約数ペア:

[(1, 28336905), (3, 9445635), (5, 5667381), (9, 3148545), (15, 1889127), (27, 1049515), (45, 629709), (79, 358695), (135, 209903), (237, 119565), (395, 71739), (711, 39855), (1185, 23913), (2133, 13285), (2657, 10665), (3555, 7971)]