8720829

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3961

約数の個数: 24

約数和(自身を含む): 14283360

約数和(自身を除く): 5562531

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 3923, 11769, 35307, 50999, 74537, 152997, 223611, 458991, 670833, 968981, 2906943, 8720829]

約数ペア:

[(1, 8720829), (3, 2906943), (9, 968981), (13, 670833), (19, 458991), (39, 223611), (57, 152997), (117, 74537), (171, 50999), (247, 35307), (741, 11769), (2223, 3923)]