18158715

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4384

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 15172485

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4339, 13017, 21695, 39051, 65085, 117153, 134509, 195255, 403527, 585765, 672545, 1210581, 2017635, 3631743, 6052905, 18158715]

約数ペア:

[(1, 18158715), (3, 6052905), (5, 3631743), (9, 2017635), (15, 1210581), (27, 672545), (31, 585765), (45, 403527), (93, 195255), (135, 134509), (155, 117153), (279, 65085), (465, 39051), (837, 21695), (1395, 13017), (4185, 4339)]