208048659

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{108869}}^1$

素因数の和:108899

約数の個数: 24

約数和(自身を含む): 347513040

約数和(自身を除く): 139464381

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 108869, 326607, 762083, 1415297, 2286249, 4245891, 5334581, 9907079, 16003743, 29721237, 69349553, 208048659]

約数ペア:

[(1, 208048659), (3, 69349553), (7, 29721237), (13, 16003743), (21, 9907079), (39, 5334581), (49, 4245891), (91, 2286249), (147, 1415297), (273, 762083), (637, 326607), (1911, 108869)]