67988781

素因数分解:

$3^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{751}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 115507200

約数和(自身を除く): 47518419

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 479, 751, 1437, 2253, 3353, 4311, 5257, 6759, 10059, 12933, 15771, 20277, 30177, 47313, 90531, 141939, 359729, 1079187, 2518103, 3237561, 7554309, 9712683, 22662927, 67988781]

約数ペア:

[(1, 67988781), (3, 22662927), (7, 9712683), (9, 7554309), (21, 3237561), (27, 2518103), (63, 1079187), (189, 359729), (479, 141939), (751, 90531), (1437, 47313), (2253, 30177), (3353, 20277), (4311, 15771), (5257, 12933), (6759, 10059)]