3978561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 5660928

約数和(自身を除く): 1682367

約数列:

[1, 3, 17, 51, 181, 431, 543, 1293, 3077, 7327, 9231, 21981, 78011, 234033, 1326187, 3978561]

約数ペア:

[(1, 3978561), (3, 1326187), (17, 234033), (51, 78011), (181, 21981), (431, 9231), (543, 7327), (1293, 3077)]