31231551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11279}}^1$

素因数の和:11366

約数の個数: 16

約数和(自身を含む): 45480960

約数和(自身を除く): 14249409

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 11279, 33837, 146627, 439881, 800809, 2402427, 10410517, 31231551]

約数ペア:

[(1, 31231551), (3, 10410517), (13, 2402427), (39, 800809), (71, 439881), (213, 146627), (923, 33837), (2769, 11279)]