1639347831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{78479}}^1$

素因数の和:78707

約数の個数: 24

約数和(自身を含む): 2595490560

約数和(自身を除く): 956142729

約数列:

[1, 3, 9, 11, 33, 99, 211, 633, 1899, 2321, 6963, 20889, 78479, 235437, 706311, 863269, 2589807, 7769421, 16559069, 49677207, 149031621, 182149759, 546449277, 1639347831]

約数ペア:

[(1, 1639347831), (3, 546449277), (9, 182149759), (11, 149031621), (33, 49677207), (99, 16559069), (211, 7769421), (633, 2589807), (1899, 863269), (2321, 706311), (6963, 235437), (20889, 78479)]