28226289

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103393}}^1$

素因数の和:103416

約数の個数: 16

約数和(自身を含む): 46320512

約数和(自身を除く): 18094223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 103393, 310179, 723751, 1344109, 2171253, 4032327, 9408763, 28226289]

約数ペア:

[(1, 28226289), (3, 9408763), (7, 4032327), (13, 2171253), (21, 1344109), (39, 723751), (91, 310179), (273, 103393)]