231856191

素因数分解:

$3^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1871}}^1$

素因数の和:2172

約数の個数: 36

約数和(自身を含む): 391176864

約数和(自身を除く): 159320673

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 281, 441, 843, 1871, 1967, 2529, 5613, 5901, 13097, 13769, 16839, 17703, 39291, 41307, 91679, 117873, 123921, 275037, 525751, 825111, 1577253, 3680257, 4731759, 11040771, 25761799, 33122313, 77285397, 231856191]

約数ペア:

[(1, 231856191), (3, 77285397), (7, 33122313), (9, 25761799), (21, 11040771), (49, 4731759), (63, 3680257), (147, 1577253), (281, 825111), (441, 525751), (843, 275037), (1871, 123921), (1967, 117873), (2529, 91679), (5613, 41307), (5901, 39291), (13097, 17703), (13769, 16839)]