2109645

素因数分解:

$3^4\times 5^1\times {\mathrm{5209}}^1$

素因数の和:5226

約数の個数: 20

約数和(自身を含む): 3782460

約数和(自身を除く): 1672815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5209, 15627, 26045, 46881, 78135, 140643, 234405, 421929, 703215, 2109645]

約数ペア:

[(1, 2109645), (3, 703215), (5, 421929), (9, 234405), (15, 140643), (27, 78135), (45, 46881), (81, 26045), (135, 15627), (405, 5209)]