12486999

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 20127744

約数和(自身を除く): 7640745

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 251, 309, 483, 721, 753, 1757, 2163, 2369, 5271, 5773, 7107, 16583, 17319, 25853, 40411, 49749, 77559, 121233, 180971, 542913, 594619, 1783857, 4162333, 12486999]

約数ペア:

[(1, 12486999), (3, 4162333), (7, 1783857), (21, 594619), (23, 542913), (69, 180971), (103, 121233), (161, 77559), (251, 49749), (309, 40411), (483, 25853), (721, 17319), (753, 16583), (1757, 7107), (2163, 5773), (2369, 5271)]