7984089

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:662

約数の個数: 20

約数和(自身を含む): 12005620

約数和(自身を除く): 4021531

約数列:

[1, 3, 9, 27, 81, 241, 409, 723, 1227, 2169, 3681, 6507, 11043, 19521, 33129, 98569, 295707, 887121, 2661363, 7984089]

約数ペア:

[(1, 7984089), (3, 2661363), (9, 887121), (27, 295707), (81, 98569), (241, 33129), (409, 19521), (723, 11043), (1227, 6507), (2169, 3681)]