156621297

素因数分解:

$3^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{1657}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 243447456

約数和(自身を除く): 86826159

約数列:

[1, 3, 7, 21, 49, 147, 643, 1657, 1929, 4501, 4971, 11599, 13503, 31507, 34797, 81193, 94521, 243579, 1065451, 3196353, 7458157, 22374471, 52207099, 156621297]

約数ペア:

[(1, 156621297), (3, 52207099), (7, 22374471), (21, 7458157), (49, 3196353), (147, 1065451), (643, 243579), (1657, 94521), (1929, 81193), (4501, 34797), (4971, 31507), (11599, 13503)]