201720783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{142157}}^1$

素因数の和:142214

約数の個数: 16

約数和(自身を含む): 300237696

約数和(自身を除く): 98516913

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 142157, 426471, 1563727, 4691181, 6112751, 18338253, 67240261, 201720783]

約数ペア:

[(1, 201720783), (3, 67240261), (11, 18338253), (33, 6112751), (43, 4691181), (129, 1563727), (473, 426471), (1419, 142157)]