263115

素因数分解:

$3^3\times 5^1\times {\mathrm{1949}}^1$

素因数の和:1963

約数の個数: 16

約数和(自身を含む): 468000

約数和(自身を除く): 204885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1949, 5847, 9745, 17541, 29235, 52623, 87705, 263115]

約数ペア:

[(1, 263115), (3, 87705), (5, 52623), (9, 29235), (15, 17541), (27, 9745), (45, 5847), (135, 1949)]