15212853

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{641}}^1$

素因数の和:946

約数の個数: 20

約数和(自身を含む): 22838508

約数和(自身を除く): 7625655

約数列:

[1, 3, 9, 27, 81, 293, 641, 879, 1923, 2637, 5769, 7911, 17307, 23733, 51921, 187813, 563439, 1690317, 5070951, 15212853]

約数ペア:

[(1, 15212853), (3, 5070951), (9, 1690317), (27, 563439), (81, 187813), (293, 51921), (641, 23733), (879, 17307), (1923, 7911), (2637, 5769)]