28016139

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2347}}^1$

素因数の和:2546

約数の個数: 16

約数和(自身を含む): 39220992

約数和(自身を除く): 11204853

約数列:

[1, 3, 23, 69, 173, 519, 2347, 3979, 7041, 11937, 53981, 161943, 406031, 1218093, 9338713, 28016139]

約数ペア:

[(1, 28016139), (3, 9338713), (23, 1218093), (69, 406031), (173, 161943), (519, 53981), (2347, 11937), (3979, 7041)]