12389031

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{3557}}^1$

素因数の和:3612

約数の個数: 20

約数和(自身を含む): 18942792

約数和(自身を除く): 6553761

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 3557, 10671, 32013, 96039, 152951, 288117, 458853, 1376559, 4129677, 12389031]

約数ペア:

[(1, 12389031), (3, 4129677), (9, 1376559), (27, 458853), (43, 288117), (81, 152951), (129, 96039), (387, 32013), (1161, 10671), (3483, 3557)]