2138805

素因数分解:

$3^4\times 5^1\times {\mathrm{5281}}^1$

素因数の和:5298

約数の個数: 20

約数和(自身を含む): 3834732

約数和(自身を除く): 1695927

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5281, 15843, 26405, 47529, 79215, 142587, 237645, 427761, 712935, 2138805]

約数ペア:

[(1, 2138805), (3, 712935), (5, 427761), (9, 237645), (15, 142587), (27, 79215), (45, 47529), (81, 26405), (135, 15843), (405, 5281)]