78168027

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{5807}}^1$

素因数の和:6458

約数の個数: 16

約数和(自身を含む): 119319552

約数和(自身を除く): 41151525

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 5807, 13461, 17421, 40649, 121947, 3722287, 11166861, 26056009, 78168027]

約数ペア:

[(1, 78168027), (3, 26056009), (7, 11166861), (21, 3722287), (641, 121947), (1923, 40649), (4487, 17421), (5807, 13461)]