18068643

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 27878400

約数和(自身を除く): 9809757

約数列:

[1, 3, 9, 27, 43, 79, 129, 197, 237, 387, 591, 711, 1161, 1773, 2133, 3397, 5319, 8471, 10191, 15563, 25413, 30573, 46689, 76239, 91719, 140067, 228717, 420201, 669209, 2007627, 6022881, 18068643]

約数ペア:

[(1, 18068643), (3, 6022881), (9, 2007627), (27, 669209), (43, 420201), (79, 228717), (129, 140067), (197, 91719), (237, 76239), (387, 46689), (591, 30573), (711, 25413), (1161, 15563), (1773, 10191), (2133, 8471), (3397, 5319)]