1821465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2381}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 3344328

約数和(自身を除く): 1522863

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2381, 7143, 11905, 21429, 35715, 40477, 107145, 121431, 202385, 364293, 607155, 1821465]

約数ペア:

[(1, 1821465), (3, 607155), (5, 364293), (9, 202385), (15, 121431), (17, 107145), (45, 40477), (51, 35715), (85, 21429), (153, 11905), (255, 7143), (765, 2381)]