219628731

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{3499}}^1$

素因数の和:3584

約数の個数: 32

約数和(自身を含む): 347200000

約数和(自身を除く): 127571269

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 343, 427, 1029, 1281, 2989, 3499, 8967, 10497, 20923, 24493, 62769, 73479, 171451, 213439, 514353, 640317, 1200157, 1494073, 3600471, 4482219, 10458511, 31375533, 73209577, 219628731]

約数ペア:

[(1, 219628731), (3, 73209577), (7, 31375533), (21, 10458511), (49, 4482219), (61, 3600471), (147, 1494073), (183, 1200157), (343, 640317), (427, 514353), (1029, 213439), (1281, 171451), (2989, 73479), (3499, 62769), (8967, 24493), (10497, 20923)]