12156721905

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3228877}}^1$

素因数の和:3229136

約数の個数: 16

約数和(自身を含む): 19528254144

約数和(自身を除く): 7371532239

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 3228877, 9686631, 16144385, 48433155, 810448127, 2431344381, 4052240635, 12156721905]

約数ペア:

[(1, 12156721905), (3, 4052240635), (5, 2431344381), (15, 810448127), (251, 48433155), (753, 16144385), (1255, 9686631), (3765, 3228877)]