87391143

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2049

約数の個数: 40

約数和(自身を含む): 151162880

約数和(自身を除く): 63771737

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1659, 1951, 2133, 4977, 5853, 6399, 13657, 14931, 17559, 40971, 44793, 52677, 122913, 154129, 158031, 368739, 462387, 1078903, 1106217, 1387161, 3236709, 4161483, 9710127, 12484449, 29130381, 87391143]

約数ペア:

[(1, 87391143), (3, 29130381), (7, 12484449), (9, 9710127), (21, 4161483), (27, 3236709), (63, 1387161), (79, 1106217), (81, 1078903), (189, 462387), (237, 368739), (553, 158031), (567, 154129), (711, 122913), (1659, 52677), (1951, 44793), (2133, 40971), (4977, 17559), (5853, 14931), (6399, 13657)]