31227889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 40755456

約数和(自身を除く): 9527567

約数列:

[1, 7, 11, 37, 77, 97, 113, 259, 407, 679, 791, 1067, 1243, 2849, 3589, 4181, 7469, 8701, 10961, 25123, 29267, 39479, 45991, 76727, 120571, 276353, 321937, 405557, 843997, 2838899, 4461127, 31227889]

約数ペア:

[(1, 31227889), (7, 4461127), (11, 2838899), (37, 843997), (77, 405557), (97, 321937), (113, 276353), (259, 120571), (407, 76727), (679, 45991), (791, 39479), (1067, 29267), (1243, 25123), (2849, 10961), (3589, 8701), (4181, 7469)]