1220739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 1774752

約数和(自身を除く): 554013

約数列:

[1, 3, 13, 39, 113, 277, 339, 831, 1469, 3601, 4407, 10803, 31301, 93903, 406913, 1220739]

約数ペア:

[(1, 1220739), (3, 406913), (13, 93903), (39, 31301), (113, 10803), (277, 4407), (339, 3601), (831, 1469)]