2722885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 3681792

約数和(自身を除く): 958907

約数列:

[1, 5, 11, 31, 55, 155, 341, 1597, 1705, 7985, 17567, 49507, 87835, 247535, 544577, 2722885]

約数ペア:

[(1, 2722885), (5, 544577), (11, 247535), (31, 87835), (55, 49507), (155, 17567), (341, 7985), (1597, 1705)]