209344611

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{7229}}^1$

素因数の和:7443

約数の個数: 24

約数和(自身を含む): 326391120

約数和(自身を除く): 117046509

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 1379, 4137, 7229, 9653, 21687, 28959, 50603, 151809, 354221, 1062663, 1424113, 4272339, 9968791, 29906373, 69781537, 209344611]

約数ペア:

[(1, 209344611), (3, 69781537), (7, 29906373), (21, 9968791), (49, 4272339), (147, 1424113), (197, 1062663), (591, 354221), (1379, 151809), (4137, 50603), (7229, 28959), (9653, 21687)]