80968503

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{857}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 135083520

約数和(自身を除く): 54115017

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 409, 857, 1227, 2571, 2863, 4499, 5999, 8589, 9427, 13497, 17997, 28281, 31493, 65989, 94479, 197967, 350513, 1051539, 2453591, 3855643, 7360773, 11566929, 26989501, 80968503]

約数ペア:

[(1, 80968503), (3, 26989501), (7, 11566929), (11, 7360773), (21, 3855643), (33, 2453591), (77, 1051539), (231, 350513), (409, 197967), (857, 94479), (1227, 65989), (2571, 31493), (2863, 28281), (4499, 17997), (5999, 13497), (8589, 9427)]