28580337

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 43929600

約数和(自身を除く): 15349263

約数列:

[1, 3, 9, 27, 43, 103, 129, 239, 309, 387, 717, 927, 1161, 2151, 2781, 4429, 6453, 10277, 13287, 24617, 30831, 39861, 73851, 92493, 119583, 221553, 277479, 664659, 1058531, 3175593, 9526779, 28580337]

約数ペア:

[(1, 28580337), (3, 9526779), (9, 3175593), (27, 1058531), (43, 664659), (103, 277479), (129, 221553), (239, 119583), (309, 92493), (387, 73851), (717, 39861), (927, 30831), (1161, 24617), (2151, 13287), (2781, 10277), (4429, 6453)]