78142239

素因数分解:

$3^6\times 7^1\times {\mathrm{15313}}^1$

素因数の和:15338

約数の個数: 28

約数和(自身を含む): 133905616

約数和(自身を除く): 55763377

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 15313, 45939, 107191, 137817, 321573, 413451, 964719, 1240353, 2894157, 3721059, 8682471, 11163177, 26047413, 78142239]

約数ペア:

[(1, 78142239), (3, 26047413), (7, 11163177), (9, 8682471), (21, 3721059), (27, 2894157), (63, 1240353), (81, 964719), (189, 413451), (243, 321573), (567, 137817), (729, 107191), (1701, 45939), (5103, 15313)]