408811239

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1597}}^1$

素因数の和:2124

約数の個数: 32

約数和(自身を含む): 639200000

約数和(自身を除く): 230388761

約数列:

[1, 3, 9, 19, 27, 57, 171, 499, 513, 1497, 1597, 4491, 4791, 9481, 13473, 14373, 28443, 30343, 43119, 85329, 91029, 255987, 273087, 796903, 819261, 2390709, 7172127, 15141157, 21516381, 45423471, 136270413, 408811239]

約数ペア:

[(1, 408811239), (3, 136270413), (9, 45423471), (19, 21516381), (27, 15141157), (57, 7172127), (171, 2390709), (499, 819261), (513, 796903), (1497, 273087), (1597, 255987), (4491, 91029), (4791, 85329), (9481, 43119), (13473, 30343), (14373, 28443)]