12911223

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7699}}^1$

素因数の和:7758

約数の個数: 16

約数和(自身を含む): 18972800

約数和(自身を除く): 6061577

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 7699, 23097, 100087, 300261, 331057, 993171, 4303741, 12911223]

約数ペア:

[(1, 12911223), (3, 4303741), (13, 993171), (39, 331057), (43, 300261), (129, 100087), (559, 23097), (1677, 7699)]