28063215

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20117}}^1$

素因数の和:20159

約数の個数: 24

約数和(自身を含む): 50214528

約数和(自身を除く): 22151313

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20117, 60351, 100585, 181053, 301755, 623627, 905265, 1870881, 3118135, 5612643, 9354405, 28063215]

約数ペア:

[(1, 28063215), (3, 9354405), (5, 5612643), (9, 3118135), (15, 1870881), (31, 905265), (45, 623627), (93, 301755), (155, 181053), (279, 100585), (465, 60351), (1395, 20117)]