78081327

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{13577}}^1$

素因数の和:13660

約数の個数: 20

約数和(自身を含む): 118291536

約数和(自身を除く): 40210209

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 13577, 40731, 122193, 366579, 963967, 1099737, 2891901, 8675703, 26027109, 78081327]

約数ペア:

[(1, 78081327), (3, 26027109), (9, 8675703), (27, 2891901), (71, 1099737), (81, 963967), (213, 366579), (639, 122193), (1917, 40731), (5751, 13577)]