20943927

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 31799040

約数和(自身を除く): 10855113

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 1091, 2133, 3273, 6399, 9819, 19197, 29457, 86189, 88371, 258567, 265113, 775701, 2327103, 6981309, 20943927]

約数ペア:

[(1, 20943927), (3, 6981309), (9, 2327103), (27, 775701), (79, 265113), (81, 258567), (237, 88371), (243, 86189), (711, 29457), (1091, 19197), (2133, 9819), (3273, 6399)]