128866569

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173909}}^1$

素因数の和:173944

約数の個数: 16

約数和(自身を含む): 194779200

約数和(自身を除く): 65912631

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 173909, 521727, 2260817, 3304271, 6782451, 9912813, 42955523, 128866569]

約数ペア:

[(1, 128866569), (3, 42955523), (13, 9912813), (19, 6782451), (39, 3304271), (57, 2260817), (247, 521727), (741, 173909)]