80954517

素因数分解:

$3^1\times 7^4\times {\mathrm{11239}}^1$

素因数の和:11270

約数の個数: 20

約数和(自身を含む): 125932960

約数和(自身を除く): 44978443

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 11239, 33717, 78673, 236019, 550711, 1652133, 3854977, 11564931, 26984839, 80954517]

約数ペア:

[(1, 80954517), (3, 26984839), (7, 11564931), (21, 3854977), (49, 1652133), (147, 550711), (343, 236019), (1029, 78673), (2401, 33717), (7203, 11239)]