12551421

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 17195328

約数和(自身を除く): 4643907

約数列:

[1, 3, 61, 107, 183, 321, 641, 1923, 6527, 19581, 39101, 68587, 117303, 205761, 4183807, 12551421]

約数ペア:

[(1, 12551421), (3, 4183807), (61, 205761), (107, 117303), (183, 68587), (321, 39101), (641, 19581), (1923, 6527)]