25356639

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 19688865

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 187, 231, 357, 363, 561, 587, 847, 1309, 1761, 2057, 2541, 3927, 4109, 6171, 6457, 9979, 12327, 14399, 19371, 29937, 43197, 45199, 69853, 71027, 109769, 135597, 209559, 213081, 329307, 497189, 768383, 1207459, 1491567, 2305149, 3622377, 8452213, 25356639]

約数ペア:

[(1, 25356639), (3, 8452213), (7, 3622377), (11, 2305149), (17, 1491567), (21, 1207459), (33, 768383), (51, 497189), (77, 329307), (119, 213081), (121, 209559), (187, 135597), (231, 109769), (357, 71027), (363, 69853), (561, 45199), (587, 43197), (847, 29937), (1309, 19371), (1761, 14399), (2057, 12327), (2541, 9979), (3927, 6457), (4109, 6171)]