18108621

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1667}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 28102464

約数和(自身を除く): 9993843

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 1667, 3621, 5001, 10863, 15003, 28339, 85017, 118357, 255051, 355071, 1065213, 2012069, 6036207, 18108621]

約数ペア:

[(1, 18108621), (3, 6036207), (9, 2012069), (17, 1065213), (51, 355071), (71, 255051), (153, 118357), (213, 85017), (639, 28339), (1207, 15003), (1667, 10863), (3621, 5001)]