247788303

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1753}}^1$

素因数の和:1943

約数の個数: 32

約数和(自身を含む): 387956736

約数和(自身を除く): 140168433

約数列:

[1, 3, 7, 21, 53, 127, 159, 371, 381, 889, 1113, 1753, 2667, 5259, 6731, 12271, 20193, 36813, 47117, 92909, 141351, 222631, 278727, 650363, 667893, 1558417, 1951089, 4675251, 11799443, 35398329, 82596101, 247788303]

約数ペア:

[(1, 247788303), (3, 82596101), (7, 35398329), (21, 11799443), (53, 4675251), (127, 1951089), (159, 1558417), (371, 667893), (381, 650363), (889, 278727), (1113, 222631), (1753, 141351), (2667, 92909), (5259, 47117), (6731, 36813), (12271, 20193)]