15788721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{709}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 22742720

約数和(自身を除く): 6953999

約数列:

[1, 3, 13, 39, 571, 709, 1713, 2127, 7423, 9217, 22269, 27651, 404839, 1214517, 5262907, 15788721]

約数ペア:

[(1, 15788721), (3, 5262907), (13, 1214517), (39, 404839), (571, 27651), (709, 22269), (1713, 9217), (2127, 7423)]