8781939

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{599}}^1$

素因数の和:792

約数の個数: 20

約数和(自身を含む): 13213200

約数和(自身を除く): 4431261

約数列:

[1, 3, 9, 27, 81, 181, 543, 599, 1629, 1797, 4887, 5391, 14661, 16173, 48519, 108419, 325257, 975771, 2927313, 8781939]

約数ペア:

[(1, 8781939), (3, 2927313), (9, 975771), (27, 325257), (81, 108419), (181, 48519), (543, 16173), (599, 14661), (1629, 5391), (1797, 4887)]