261330387

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{6691}}^1$

素因数の和:7018

約数の個数: 16

約数和(自身を含む): 357192192

約数和(自身を除く): 95861805

約数列:

[1, 3, 47, 141, 277, 831, 6691, 13019, 20073, 39057, 314477, 943431, 1853407, 5560221, 87110129, 261330387]

約数ペア:

[(1, 261330387), (3, 87110129), (47, 5560221), (141, 1853407), (277, 943431), (831, 314477), (6691, 39057), (13019, 20073)]