17920617

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 28855680

約数和(自身を除く): 10935063

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1129, 1221, 1443, 3387, 5291, 12419, 14677, 15873, 37257, 41773, 44031, 125319, 161447, 459503, 484341, 543049, 1378509, 1629147, 5973539, 17920617]

約数ペア:

[(1, 17920617), (3, 5973539), (11, 1629147), (13, 1378509), (33, 543049), (37, 484341), (39, 459503), (111, 161447), (143, 125319), (407, 44031), (429, 41773), (481, 37257), (1129, 15873), (1221, 14677), (1443, 12419), (3387, 5291)]