1388646

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 3504384

約数和(自身を除く): 2115738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 107, 126, 206, 214, 309, 321, 618, 642, 721, 749, 927, 963, 1442, 1498, 1854, 1926, 2163, 2247, 4326, 4494, 6489, 6741, 11021, 12978, 13482, 22042, 33063, 66126, 77147, 99189, 154294, 198378, 231441, 462882, 694323, 1388646]

約数ペア:

[(1, 1388646), (2, 694323), (3, 462882), (6, 231441), (7, 198378), (9, 154294), (14, 99189), (18, 77147), (21, 66126), (42, 33063), (63, 22042), (103, 13482), (107, 12978), (126, 11021), (206, 6741), (214, 6489), (309, 4494), (321, 4326), (618, 2247), (642, 2163), (721, 1926), (749, 1854), (927, 1498), (963, 1442)]