7847991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 12220416

約数和(自身を除く): 4372425

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 1223, 2139, 3669, 6417, 11007, 28129, 37913, 84387, 113739, 253161, 341217, 871999, 2615997, 7847991]

約数ペア:

[(1, 7847991), (3, 2615997), (9, 871999), (23, 341217), (31, 253161), (69, 113739), (93, 84387), (207, 37913), (279, 28129), (713, 11007), (1223, 6417), (2139, 3669)]