28610919

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 43636320

約数和(自身を除く): 15025401

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 1553, 2047, 4659, 6141, 13977, 18423, 35719, 107157, 138217, 321471, 414651, 1243953, 3178991, 9536973, 28610919]

約数ペア:

[(1, 28610919), (3, 9536973), (9, 3178991), (23, 1243953), (69, 414651), (89, 321471), (207, 138217), (267, 107157), (801, 35719), (1553, 18423), (2047, 13977), (4659, 6141)]