2160639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 3428880

約数和(自身を除く): 1268241

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 313, 531, 767, 939, 2301, 2817, 4069, 6903, 12207, 18467, 36621, 55401, 166203, 240071, 720213, 2160639]

約数ペア:

[(1, 2160639), (3, 720213), (9, 240071), (13, 166203), (39, 55401), (59, 36621), (117, 18467), (177, 12207), (313, 6903), (531, 4069), (767, 2817), (939, 2301)]