2118555

素因数分解:

$3^4\times 5^1\times {\mathrm{5231}}^1$

素因数の和:5248

約数の個数: 20

約数和(自身を含む): 3798432

約数和(自身を除く): 1679877

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5231, 15693, 26155, 47079, 78465, 141237, 235395, 423711, 706185, 2118555]

約数ペア:

[(1, 2118555), (3, 706185), (5, 423711), (9, 235395), (15, 141237), (27, 78465), (45, 47079), (81, 26155), (135, 15693), (405, 5231)]