1665963

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 2686320

約数和(自身を除く): 1020357

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 491, 1131, 1473, 3393, 4419, 6383, 14239, 19149, 42717, 57447, 128151, 185107, 555321, 1665963]

約数ペア:

[(1, 1665963), (3, 555321), (9, 185107), (13, 128151), (29, 57447), (39, 42717), (87, 19149), (117, 14239), (261, 6383), (377, 4419), (491, 3393), (1131, 1473)]