168389739

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{38737}}^1$

素因数の和:38776

約数の個数: 32

約数和(自身を含む): 297507840

約数和(自身を除く): 129118101

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 38737, 116211, 271159, 348633, 813477, 890951, 1045899, 2440431, 2672853, 6236657, 7321293, 8018559, 18709971, 24055677, 56129913, 168389739]

約数ペア:

[(1, 168389739), (3, 56129913), (7, 24055677), (9, 18709971), (21, 8018559), (23, 7321293), (27, 6236657), (63, 2672853), (69, 2440431), (161, 1045899), (189, 890951), (207, 813477), (483, 348633), (621, 271159), (1449, 116211), (4347, 38737)]