503281331

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 619745280

約数和(自身を除く): 116463949

約数列:

[1, 7, 23, 43, 139, 161, 301, 523, 973, 989, 3197, 3661, 5977, 6923, 12029, 22379, 22489, 41839, 72697, 84203, 137471, 157423, 508879, 517247, 962297, 1672031, 3125971, 3620729, 11704217, 21881797, 71897333, 503281331]

約数ペア:

[(1, 503281331), (7, 71897333), (23, 21881797), (43, 11704217), (139, 3620729), (161, 3125971), (301, 1672031), (523, 962297), (973, 517247), (989, 508879), (3197, 157423), (3661, 137471), (5977, 84203), (6923, 72697), (12029, 41839), (22379, 22489)]