207963189

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2550

約数の個数: 48

約数和(自身を含む): 366612480

約数和(自身を除く): 158649291

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 1197, 1349, 1491, 2447, 4047, 4473, 7341, 9443, 12141, 17129, 22023, 28329, 46493, 51387, 84987, 139479, 154161, 173737, 325451, 418437, 521211, 976353, 1216159, 1563633, 2929059, 3301003, 3648477, 9903009, 10945431, 23107021, 29709027, 69321063, 207963189]

約数ペア:

[(1, 207963189), (3, 69321063), (7, 29709027), (9, 23107021), (19, 10945431), (21, 9903009), (57, 3648477), (63, 3301003), (71, 2929059), (133, 1563633), (171, 1216159), (213, 976353), (399, 521211), (497, 418437), (639, 325451), (1197, 173737), (1349, 154161), (1491, 139479), (2447, 84987), (4047, 51387), (4473, 46493), (7341, 28329), (9443, 22023), (12141, 17129)]