12639351

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 19169280

約数和(自身を除く): 6529929

約数列:

[1, 3, 19, 23, 31, 57, 69, 93, 311, 437, 589, 713, 933, 1311, 1767, 2139, 5909, 7153, 9641, 13547, 17727, 21459, 28923, 40641, 135907, 183179, 221743, 407721, 549537, 665229, 4213117, 12639351]

約数ペア:

[(1, 12639351), (3, 4213117), (19, 665229), (23, 549537), (31, 407721), (57, 221743), (69, 183179), (93, 135907), (311, 40641), (437, 28923), (589, 21459), (713, 17727), (933, 13547), (1311, 9641), (1767, 7153), (2139, 5909)]