16628697

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 24867648

約数和(自身を除く): 8238951

約数列:

[1, 3, 9, 53, 71, 159, 213, 477, 491, 639, 1473, 3763, 4419, 11289, 26023, 33867, 34861, 78069, 104583, 234207, 313749, 1847633, 5542899, 16628697]

約数ペア:

[(1, 16628697), (3, 5542899), (9, 1847633), (53, 313749), (71, 234207), (159, 104583), (213, 78069), (477, 34861), (491, 33867), (639, 26023), (1473, 11289), (3763, 4419)]