128561667

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{919}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 196600320

約数和(自身を除く): 68038653

約数列:

[1, 3, 13, 17, 39, 51, 211, 221, 633, 663, 919, 2743, 2757, 3587, 8229, 10761, 11947, 15623, 35841, 46631, 46869, 139893, 193909, 203099, 581727, 609297, 2520817, 3296453, 7562451, 9889359, 42853889, 128561667]

約数ペア:

[(1, 128561667), (3, 42853889), (13, 9889359), (17, 7562451), (39, 3296453), (51, 2520817), (211, 609297), (221, 581727), (633, 203099), (663, 193909), (919, 139893), (2743, 46869), (2757, 46631), (3587, 35841), (8229, 15623), (10761, 11947)]