205738281

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{7577}}^1$

素因数の和:8021

約数の個数: 24

約数和(自身を含む): 340464384

約数和(自身を除く): 134726103

約数列:

[1, 3, 7, 9, 21, 63, 431, 1293, 3017, 3879, 7577, 9051, 22731, 27153, 53039, 68193, 159117, 477351, 3265687, 9797061, 22859809, 29391183, 68579427, 205738281]

約数ペア:

[(1, 205738281), (3, 68579427), (7, 29391183), (9, 22859809), (21, 9797061), (63, 3265687), (431, 477351), (1293, 159117), (3017, 68193), (3879, 53039), (7577, 27153), (9051, 22731)]