12643257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 20127744

約数和(自身を除く): 7484487

約数列:

[1, 3, 11, 17, 31, 33, 51, 93, 187, 341, 527, 561, 727, 1023, 1581, 2181, 5797, 7997, 12359, 17391, 22537, 23991, 37077, 67611, 135949, 247907, 383129, 407847, 743721, 1149387, 4214419, 12643257]

約数ペア:

[(1, 12643257), (3, 4214419), (11, 1149387), (17, 743721), (31, 407847), (33, 383129), (51, 247907), (93, 135949), (187, 67611), (341, 37077), (527, 23991), (561, 22537), (727, 17391), (1023, 12359), (1581, 7997), (2181, 5797)]