7855839

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 12288000

約数和(自身を除く): 4432161

約数列:

[1, 3, 9, 27, 29, 79, 87, 127, 237, 261, 381, 711, 783, 1143, 2133, 2291, 3429, 3683, 6873, 10033, 11049, 20619, 30099, 33147, 61857, 90297, 99441, 270891, 290957, 872871, 2618613, 7855839]

約数ペア:

[(1, 7855839), (3, 2618613), (9, 872871), (27, 290957), (29, 270891), (79, 99441), (87, 90297), (127, 61857), (237, 33147), (261, 30099), (381, 20619), (711, 11049), (783, 10033), (1143, 6873), (2133, 3683), (2291, 3429)]