25639779

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 40755456

約数和(自身を除く): 15115677

約数列:

[1, 3, 11, 23, 33, 37, 69, 83, 111, 121, 249, 253, 363, 407, 759, 851, 913, 1221, 1909, 2553, 2739, 2783, 3071, 4477, 5727, 8349, 9213, 9361, 10043, 13431, 20999, 28083, 30129, 33781, 62997, 70633, 101343, 102971, 211899, 230989, 308913, 371591, 692967, 776963, 1114773, 2330889, 8546593, 25639779]

約数ペア:

[(1, 25639779), (3, 8546593), (11, 2330889), (23, 1114773), (33, 776963), (37, 692967), (69, 371591), (83, 308913), (111, 230989), (121, 211899), (249, 102971), (253, 101343), (363, 70633), (407, 62997), (759, 33781), (851, 30129), (913, 28083), (1221, 20999), (1909, 13431), (2553, 10043), (2739, 9361), (2783, 9213), (3071, 8349), (4477, 5727)]