39888891

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3119}}^1$

素因数の和:3168

約数の個数: 36

約数和(自身を含む): 69357600

約数和(自身を除く): 29468709

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 3119, 4263, 9357, 12789, 21833, 28071, 65499, 90451, 152831, 196497, 271353, 458493, 633157, 814059, 1375479, 1899471, 4432099, 5698413, 13296297, 39888891]

約数ペア:

[(1, 39888891), (3, 13296297), (7, 5698413), (9, 4432099), (21, 1899471), (29, 1375479), (49, 814059), (63, 633157), (87, 458493), (147, 271353), (203, 196497), (261, 152831), (441, 90451), (609, 65499), (1421, 28071), (1827, 21833), (3119, 12789), (4263, 9357)]