1274643297

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{105613}}^1$

素因数の和:105774

約数の個数: 20

約数和(自身を含む): 1916894100

約数和(自身を除く): 642250803

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 105613, 316839, 950517, 2851551, 8554653, 15736337, 47209011, 141627033, 424881099, 1274643297]

約数ペア:

[(1, 1274643297), (3, 424881099), (9, 141627033), (27, 47209011), (81, 15736337), (149, 8554653), (447, 2851551), (1341, 950517), (4023, 316839), (12069, 105613)]