12920457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 20321280

約数和(自身を除く): 7400823

約数列:

[1, 3, 11, 23, 29, 33, 69, 87, 253, 319, 587, 667, 759, 957, 1761, 2001, 6457, 7337, 13501, 17023, 19371, 22011, 40503, 51069, 148511, 187253, 391529, 445533, 561759, 1174587, 4306819, 12920457]

約数ペア:

[(1, 12920457), (3, 4306819), (11, 1174587), (23, 561759), (29, 445533), (33, 391529), (69, 187253), (87, 148511), (253, 51069), (319, 40503), (587, 22011), (667, 19371), (759, 17023), (957, 13501), (1761, 7337), (2001, 6457)]