15120081

素因数分解:

$3^3\times {\mathrm{257}}^1\times {\mathrm{2179}}^1$

素因数の和:2445

約数の個数: 16

約数和(自身を含む): 22497600

約数和(自身を除く): 7377519

約数列:

[1, 3, 9, 27, 257, 771, 2179, 2313, 6537, 6939, 19611, 58833, 560003, 1680009, 5040027, 15120081]

約数ペア:

[(1, 15120081), (3, 5040027), (9, 1680009), (27, 560003), (257, 58833), (771, 19611), (2179, 6939), (2313, 6537)]