27878145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 18570495

約数列:

[1, 3, 5, 15, 31, 93, 155, 167, 359, 465, 501, 835, 1077, 1795, 2505, 5177, 5385, 11129, 15531, 25885, 33387, 55645, 59953, 77655, 166935, 179859, 299765, 899295, 1858543, 5575629, 9292715, 27878145]

約数ペア:

[(1, 27878145), (3, 9292715), (5, 5575629), (15, 1858543), (31, 899295), (93, 299765), (155, 179859), (167, 166935), (359, 77655), (465, 59953), (501, 55645), (835, 33387), (1077, 25885), (1795, 15531), (2505, 11129), (5177, 5385)]