991818243

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{217361}}^1$

素因数の和:217396

約数の個数: 24

約数和(自身を含む): 1591089840

約数和(自身を除く): 599271597

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 217361, 652083, 1956249, 2825693, 5868747, 8477079, 25431237, 36734009, 76293711, 110202027, 330606081, 991818243]

約数ペア:

[(1, 991818243), (3, 330606081), (9, 110202027), (13, 76293711), (27, 36734009), (39, 25431237), (117, 8477079), (169, 5868747), (351, 2825693), (507, 1956249), (1521, 652083), (4563, 217361)]