12785493

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 20606976

約数和(自身を除く): 7821483

約数列:

[1, 3, 7, 21, 23, 69, 103, 161, 257, 309, 483, 721, 771, 1799, 2163, 2369, 5397, 5911, 7107, 16583, 17733, 26471, 41377, 49749, 79413, 124131, 185297, 555891, 608833, 1826499, 4261831, 12785493]

約数ペア:

[(1, 12785493), (3, 4261831), (7, 1826499), (21, 608833), (23, 555891), (69, 185297), (103, 124131), (161, 79413), (257, 49749), (309, 41377), (483, 26471), (721, 17733), (771, 16583), (1799, 7107), (2163, 5911), (2369, 5397)]