90970857

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{5701}}^1$

素因数の和:5910

約数の個数: 20

約数和(自身を含む): 136608516

約数和(自身を除く): 45637659

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 5701, 15957, 17103, 51309, 153927, 461781, 1123097, 3369291, 10107873, 30323619, 90970857]

約数ペア:

[(1, 90970857), (3, 30323619), (9, 10107873), (27, 3369291), (81, 1123097), (197, 461781), (591, 153927), (1773, 51309), (5319, 17103), (5701, 15957)]