81255069

素因数分解:

$3^6\times 7^1\times {\mathrm{15923}}^1$

素因数の和:15948

約数の個数: 28

約数和(自身を含む): 139239456

約数和(自身を除く): 57984387

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 15923, 47769, 111461, 143307, 334383, 429921, 1003149, 1289763, 3009447, 3869289, 9028341, 11607867, 27085023, 81255069]

約数ペア:

[(1, 81255069), (3, 27085023), (7, 11607867), (9, 9028341), (21, 3869289), (27, 3009447), (63, 1289763), (81, 1003149), (189, 429921), (243, 334383), (567, 143307), (729, 111461), (1701, 47769), (5103, 15923)]