17827857

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2574

約数の個数: 20

約数和(自身を含む): 26941860

約数和(自身を除く): 9114003

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2473, 7209, 7419, 22257, 66771, 200313, 220097, 660291, 1980873, 5942619, 17827857]

約数ペア:

[(1, 17827857), (3, 5942619), (9, 1980873), (27, 660291), (81, 220097), (89, 200313), (267, 66771), (801, 22257), (2403, 7419), (2473, 7209)]