6981309

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1182

約数の個数: 20

約数和(自身を含む): 10570560

約数和(自身を除く): 3589251

約数列:

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

約数ペア:

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