13130181

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{937}}^1$

素因数の和:1122

約数の個数: 20

約数和(自身を含む): 19748652

約数和(自身を除く): 6618471

約数列:

[1, 3, 9, 27, 81, 173, 519, 937, 1557, 2811, 4671, 8433, 14013, 25299, 75897, 162101, 486303, 1458909, 4376727, 13130181]

約数ペア:

[(1, 13130181), (3, 4376727), (9, 1458909), (27, 486303), (81, 162101), (173, 75897), (519, 25299), (937, 14013), (1557, 8433), (2811, 4671)]