40709347

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{139}}^2$

素因数の和:335

約数の個数: 18

約数和(自身を含む): 48808188

約数和(自身を除く): 8098841

約数列:

[1, 7, 43, 49, 139, 301, 973, 2107, 5977, 6811, 19321, 41839, 135247, 292873, 830803, 946729, 5815621, 40709347]

約数ペア:

[(1, 40709347), (7, 5815621), (43, 946729), (49, 830803), (139, 292873), (301, 135247), (973, 41839), (2107, 19321), (5977, 6811)]