78967791

素因数分解:

$3^4\times 7^1\times {\mathrm{139273}}^1$

素因数の和:139292

約数の個数: 20

約数和(自身を含む): 134817232

約数和(自身を除く): 55849441

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 139273, 417819, 974911, 1253457, 2924733, 3760371, 8774199, 11281113, 26322597, 78967791]

約数ペア:

[(1, 78967791), (3, 26322597), (7, 11281113), (9, 8774199), (21, 3760371), (27, 2924733), (63, 1253457), (81, 974911), (189, 417819), (567, 139273)]