8180109

素因数分解:

$3^6\times 7^2\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 42

約数和(自身を含む): 14329230

約数和(自身を除く): 6149121

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 229, 243, 441, 567, 687, 729, 1323, 1603, 1701, 2061, 3969, 4809, 5103, 6183, 11221, 11907, 14427, 18549, 33663, 35721, 43281, 55647, 100989, 129843, 166941, 302967, 389529, 908901, 1168587, 2726703, 8180109]

約数ペア:

[(1, 8180109), (3, 2726703), (7, 1168587), (9, 908901), (21, 389529), (27, 302967), (49, 166941), (63, 129843), (81, 100989), (147, 55647), (189, 43281), (229, 35721), (243, 33663), (441, 18549), (567, 14427), (687, 11907), (729, 11221), (1323, 6183), (1603, 5103), (1701, 4809), (2061, 3969)]