7857729

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{8819}}^1$

素因数の和:8842

約数の個数: 20

約数和(自身を含む): 12806640

約数和(自身を除く): 4948911

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 8819, 26457, 79371, 97009, 238113, 291027, 714339, 873081, 2619243, 7857729]

約数ペア:

[(1, 7857729), (3, 2619243), (9, 873081), (11, 714339), (27, 291027), (33, 238113), (81, 97009), (99, 79371), (297, 26457), (891, 8819)]