206564547

素因数分解:

$3^1\times 7^3\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 323136000

約数和(自身を除く): 116571453

約数列:

[1, 3, 7, 21, 49, 147, 197, 343, 591, 1019, 1029, 1379, 3057, 4137, 7133, 9653, 21399, 28959, 49931, 67571, 149793, 200743, 202713, 349517, 602229, 1048551, 1405201, 4215603, 9836407, 29509221, 68854849, 206564547]

約数ペア:

[(1, 206564547), (3, 68854849), (7, 29509221), (21, 9836407), (49, 4215603), (147, 1405201), (197, 1048551), (343, 602229), (591, 349517), (1019, 202713), (1029, 200743), (1379, 149793), (3057, 67571), (4137, 49931), (7133, 28959), (9653, 21399)]