2178891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 3699696

約数和(自身を除く): 1520805

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 1693, 5079, 15237, 18623, 22009, 55869, 66027, 167607, 198081, 242099, 726297, 2178891]

約数ペア:

[(1, 2178891), (3, 726297), (9, 242099), (11, 198081), (13, 167607), (33, 66027), (39, 55869), (99, 22009), (117, 18623), (143, 15237), (429, 5079), (1287, 1693)]