421275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 718704

約数和(自身を除く): 297429

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 137, 205, 411, 615, 685, 1025, 2055, 3075, 3425, 5617, 10275, 16851, 28085, 84255, 140425, 421275]

約数ペア:

[(1, 421275), (3, 140425), (5, 84255), (15, 28085), (25, 16851), (41, 10275), (75, 5617), (123, 3425), (137, 3075), (205, 2055), (411, 1025), (615, 685)]