28142211

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7369}}^1$

素因数の和:7458

約数の個数: 16

約数和(自身を含む): 40092800

約数和(自身を除く): 11950589

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 7369, 22107, 140011, 420033, 493723, 1481169, 9380737, 28142211]

約数ペア:

[(1, 28142211), (3, 9380737), (19, 1481169), (57, 493723), (67, 420033), (201, 140011), (1273, 22107), (3819, 7369)]