12161721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28349}}^1$

素因数の和:28376

約数の個数: 16

約数和(自身を含む): 19051200

約数和(自身を除く): 6889479

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 28349, 85047, 311839, 368537, 935517, 1105611, 4053907, 12161721]

約数ペア:

[(1, 12161721), (3, 4053907), (11, 1105611), (13, 935517), (33, 368537), (39, 311839), (143, 85047), (429, 28349)]