40889529

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{2789}}^1$

素因数の和:2982

約数の個数: 20

約数和(自身を含む): 61441380

約数和(自身を除く): 20551851

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 2789, 4887, 8367, 14661, 25101, 75303, 225909, 504809, 1514427, 4543281, 13629843, 40889529]

約数ペア:

[(1, 40889529), (3, 13629843), (9, 4543281), (27, 1514427), (81, 504809), (181, 225909), (543, 75303), (1629, 25101), (2789, 14661), (4887, 8367)]