280124919

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2711}}^1$

素因数の和:2852

約数の個数: 32

約数和(自身を含む): 429580800

約数和(自身を除く): 149455881

約数列:

[1, 3, 9, 27, 43, 89, 129, 267, 387, 801, 1161, 2403, 2711, 3827, 8133, 11481, 24399, 34443, 73197, 103329, 116573, 241279, 349719, 723837, 1049157, 2171511, 3147471, 6514533, 10374997, 31124991, 93374973, 280124919]

約数ペア:

[(1, 280124919), (3, 93374973), (9, 31124991), (27, 10374997), (43, 6514533), (89, 3147471), (129, 2171511), (267, 1049157), (387, 723837), (801, 349719), (1161, 241279), (2403, 116573), (2711, 103329), (3827, 73197), (8133, 34443), (11481, 24399)]