28507827

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 40848192

約数和(自身を除く): 12340365

約数列:

[1, 3, 17, 51, 131, 251, 289, 393, 753, 867, 2227, 4267, 6681, 12801, 32881, 37859, 72539, 98643, 113577, 217617, 558977, 1676931, 9502609, 28507827]

約数ペア:

[(1, 28507827), (3, 9502609), (17, 1676931), (51, 558977), (131, 217617), (251, 113577), (289, 98643), (393, 72539), (753, 37859), (867, 32881), (2227, 12801), (4267, 6681)]