28645881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 44323200

約数和(自身を除く): 15677319

約数列:

[1, 3, 11, 29, 33, 37, 87, 111, 319, 407, 809, 957, 1073, 1221, 2427, 3219, 8899, 11803, 23461, 26697, 29933, 35409, 70383, 89799, 258071, 329263, 774213, 868057, 987789, 2604171, 9548627, 28645881]

約数ペア:

[(1, 28645881), (3, 9548627), (11, 2604171), (29, 987789), (33, 868057), (37, 774213), (87, 329263), (111, 258071), (319, 89799), (407, 70383), (809, 35409), (957, 29933), (1073, 26697), (1221, 23461), (2427, 11803), (3219, 8899)]