1782405

素因数分解:

$3^7\times 5^1\times {\mathrm{163}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 3227520

約数和(自身を除く): 1445115

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 163, 243, 405, 489, 729, 815, 1215, 1467, 2187, 2445, 3645, 4401, 7335, 10935, 13203, 22005, 39609, 66015, 118827, 198045, 356481, 594135, 1782405]

約数ペア:

[(1, 1782405), (3, 594135), (5, 356481), (9, 198045), (15, 118827), (27, 66015), (45, 39609), (81, 22005), (135, 13203), (163, 10935), (243, 7335), (405, 4401), (489, 3645), (729, 2445), (815, 2187), (1215, 1467)]