218250123

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1669}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 359116800

約数和(自身を除く): 140866677

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 479, 1437, 1669, 3353, 5007, 6227, 10059, 11683, 18681, 21697, 35049, 43589, 65091, 130767, 151879, 455637, 799451, 2398353, 5596157, 10392863, 16788471, 31178589, 72750041, 218250123]

約数ペア:

[(1, 218250123), (3, 72750041), (7, 31178589), (13, 16788471), (21, 10392863), (39, 5596157), (91, 2398353), (273, 799451), (479, 455637), (1437, 151879), (1669, 130767), (3353, 65091), (5007, 43589), (6227, 35049), (10059, 21697), (11683, 18681)]