2160819

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 3425760

約数和(自身を除く): 1264941

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 487, 493, 1461, 1479, 4383, 4437, 8279, 14123, 24837, 42369, 74511, 127107, 240091, 720273, 2160819]

約数ペア:

[(1, 2160819), (3, 720273), (9, 240091), (17, 127107), (29, 74511), (51, 42369), (87, 24837), (153, 14123), (261, 8279), (487, 4437), (493, 4383), (1461, 1479)]