261543906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1117709}}^1$

素因数の和:1117730

約数の個数: 24

約数和(自身を含む): 610269660

約数和(自身を除く): 348725754

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1117709, 2235418, 3353127, 6706254, 10059381, 14530217, 20118762, 29060434, 43590651, 87181302, 130771953, 261543906]

約数ペア:

[(1, 261543906), (2, 130771953), (3, 87181302), (6, 43590651), (9, 29060434), (13, 20118762), (18, 14530217), (26, 10059381), (39, 6706254), (78, 3353127), (117, 2235418), (234, 1117709)]