68910639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 115492608

約数和(自身を除く): 46581969

約数列:

[1, 3, 7, 17, 21, 43, 51, 67, 119, 129, 201, 301, 357, 469, 731, 903, 1139, 1407, 2193, 2881, 3417, 4489, 5117, 7973, 8643, 13467, 15351, 20167, 23919, 31423, 48977, 60501, 76313, 94269, 146931, 193027, 228939, 342839, 534191, 579081, 1028517, 1351189, 1602573, 3281459, 4053567, 9844377, 22970213, 68910639]

約数ペア:

[(1, 68910639), (3, 22970213), (7, 9844377), (17, 4053567), (21, 3281459), (43, 1602573), (51, 1351189), (67, 1028517), (119, 579081), (129, 534191), (201, 342839), (301, 228939), (357, 193027), (469, 146931), (731, 94269), (903, 76313), (1139, 60501), (1407, 48977), (2193, 31423), (2881, 23919), (3417, 20167), (4489, 15351), (5117, 13467), (7973, 8643)]