28310475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{19867}}^1$

素因数の和:19899

約数の個数: 24

約数和(自身を含む): 49272640

約数和(自身を除く): 20962165

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 19867, 59601, 99335, 298005, 377473, 496675, 1132419, 1490025, 1887365, 5662095, 9436825, 28310475]

約数ペア:

[(1, 28310475), (3, 9436825), (5, 5662095), (15, 1887365), (19, 1490025), (25, 1132419), (57, 496675), (75, 377473), (95, 298005), (285, 99335), (475, 59601), (1425, 19867)]