17790409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1427}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 22071168

約数和(自身を除く): 4280759

約数列:

[1, 7, 13, 91, 137, 959, 1427, 1781, 9989, 12467, 18551, 129857, 195499, 1368493, 2541487, 17790409]

約数ペア:

[(1, 17790409), (7, 2541487), (13, 1368493), (91, 195499), (137, 129857), (959, 18551), (1427, 12467), (1781, 9989)]