2005805109

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1129}}^1\times {\mathrm{7691}}^1$

素因数の和:8841

約数の個数: 32

約数和(自身を含む): 3337712640

約数和(自身を除く): 1331907531

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1129, 3387, 7691, 7903, 12419, 23073, 23709, 37257, 53837, 84601, 86933, 161511, 253803, 260799, 592207, 1776621, 8683139, 26049417, 60781973, 95514529, 182345919, 286543587, 668601703, 2005805109]

約数ペア:

[(1, 2005805109), (3, 668601703), (7, 286543587), (11, 182345919), (21, 95514529), (33, 60781973), (77, 26049417), (231, 8683139), (1129, 1776621), (3387, 592207), (7691, 260799), (7903, 253803), (12419, 161511), (23073, 86933), (23709, 84601), (37257, 53837)]