289340541

素因数分解:

$3^2\times 7^2\times {\mathrm{509}}^1\times {\mathrm{1289}}^1$

素因数の和:1818

約数の個数: 36

約数和(自身を含む): 487503900

約数和(自身を除く): 198163359

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 509, 1289, 1527, 3563, 3867, 4581, 9023, 10689, 11601, 24941, 27069, 32067, 63161, 74823, 81207, 189483, 224469, 568449, 656101, 1968303, 4592707, 5904909, 13778121, 32148949, 41334363, 96446847, 289340541]

約数ペア:

[(1, 289340541), (3, 96446847), (7, 41334363), (9, 32148949), (21, 13778121), (49, 5904909), (63, 4592707), (147, 1968303), (441, 656101), (509, 568449), (1289, 224469), (1527, 189483), (3563, 81207), (3867, 74823), (4581, 63161), (9023, 32067), (10689, 27069), (11601, 24941)]