1880415

素因数分解:

$3^4\times 5^1\times {\mathrm{4643}}^1$

素因数の和:4660

約数の個数: 20

約数和(自身を含む): 3371544

約数和(自身を除く): 1491129

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4643, 13929, 23215, 41787, 69645, 125361, 208935, 376083, 626805, 1880415]

約数ペア:

[(1, 1880415), (3, 626805), (5, 376083), (9, 208935), (15, 125361), (27, 69645), (45, 41787), (81, 23215), (135, 13929), (405, 4643)]