28153281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8111}}^1$

素因数の和:8216

約数の個数: 16

約数和(自身を含む): 40884480

約数和(自身を除く): 12731199

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 8111, 24333, 105443, 316329, 721879, 2165637, 9384427, 28153281]

約数ペア:

[(1, 28153281), (3, 9384427), (13, 2165637), (39, 721879), (89, 316329), (267, 105443), (1157, 24333), (3471, 8111)]