12905277

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 22851072

約数和(自身を除く): 9945795

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 347, 483, 539, 759, 1041, 1127, 1617, 1771, 2429, 3381, 3817, 5313, 7287, 7981, 11451, 12397, 17003, 23943, 26719, 37191, 51009, 55867, 80157, 87791, 167601, 187033, 263373, 391069, 561099, 614537, 1173207, 1843611, 4301759, 12905277]

約数ペア:

[(1, 12905277), (3, 4301759), (7, 1843611), (11, 1173207), (21, 614537), (23, 561099), (33, 391069), (49, 263373), (69, 187033), (77, 167601), (147, 87791), (161, 80157), (231, 55867), (253, 51009), (347, 37191), (483, 26719), (539, 23943), (759, 17003), (1041, 12397), (1127, 11451), (1617, 7981), (1771, 7287), (2429, 5313), (3381, 3817)]