68408739

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15737}}^1$

素因数の和:15776

約数の個数: 32

約数和(自身を含む): 120867840

約数和(自身を除く): 52459101

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 15737, 47211, 110159, 141633, 330477, 361951, 424899, 991431, 1085853, 2533657, 2974293, 3257559, 7600971, 9772677, 22802913, 68408739]

約数ペア:

[(1, 68408739), (3, 22802913), (7, 9772677), (9, 7600971), (21, 3257559), (23, 2974293), (27, 2533657), (63, 1085853), (69, 991431), (161, 424899), (189, 361951), (207, 330477), (483, 141633), (621, 110159), (1449, 47211), (4347, 15737)]