28049151

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8081}}^1$

素因数の和:8186

約数の個数: 16

約数和(自身を含む): 40733280

約数和(自身を除く): 12684129

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 8081, 24243, 105053, 315159, 719209, 2157627, 9349717, 28049151]

約数ペア:

[(1, 28049151), (3, 9349717), (13, 2157627), (39, 719209), (89, 315159), (267, 105053), (1157, 24243), (3471, 8081)]