205749531

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1399}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 329280000

約数和(自身を除く): 123530469

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 419, 1257, 1399, 3771, 4197, 5447, 11313, 12591, 16341, 18187, 37773, 49023, 54561, 147069, 163683, 491049, 586181, 1758543, 5275629, 7620353, 15826887, 22861059, 68583177, 205749531]

約数ペア:

[(1, 205749531), (3, 68583177), (9, 22861059), (13, 15826887), (27, 7620353), (39, 5275629), (117, 1758543), (351, 586181), (419, 491049), (1257, 163683), (1399, 147069), (3771, 54561), (4197, 49023), (5447, 37773), (11313, 18187), (12591, 16341)]