25100691

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 45866304

約数和(自身を除く): 20765613

約数列:

[1, 3, 7, 11, 19, 21, 33, 43, 49, 57, 77, 129, 133, 147, 209, 231, 301, 361, 399, 473, 539, 627, 817, 903, 931, 1083, 1419, 1463, 1617, 2107, 2451, 2527, 2793, 3311, 3971, 4389, 5719, 6321, 7581, 8987, 9933, 10241, 11913, 15523, 17157, 17689, 23177, 26961, 27797, 30723, 40033, 46569, 53067, 62909, 69531, 83391, 108661, 120099, 170753, 188727, 194579, 325983, 440363, 512259, 583737, 760627, 1195271, 1321089, 2281881, 3585813, 8366897, 25100691]

約数ペア:

[(1, 25100691), (3, 8366897), (7, 3585813), (11, 2281881), (19, 1321089), (21, 1195271), (33, 760627), (43, 583737), (49, 512259), (57, 440363), (77, 325983), (129, 194579), (133, 188727), (147, 170753), (209, 120099), (231, 108661), (301, 83391), (361, 69531), (399, 62909), (473, 53067), (539, 46569), (627, 40033), (817, 30723), (903, 27797), (931, 26961), (1083, 23177), (1419, 17689), (1463, 17157), (1617, 15523), (2107, 11913), (2451, 10241), (2527, 9933), (2793, 8987), (3311, 7581), (3971, 6321), (4389, 5719)]