156842889

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{2081}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 248107776

約数和(自身を除く): 91264887

約数列:

[1, 3, 7, 21, 37, 97, 111, 259, 291, 679, 777, 2037, 2081, 3589, 6243, 10767, 14567, 25123, 43701, 75369, 76997, 201857, 230991, 538979, 605571, 1412999, 1616937, 4238997, 7468709, 22406127, 52280963, 156842889]

約数ペア:

[(1, 156842889), (3, 52280963), (7, 22406127), (21, 7468709), (37, 4238997), (97, 1616937), (111, 1412999), (259, 605571), (291, 538979), (679, 230991), (777, 201857), (2037, 76997), (2081, 75369), (3589, 43701), (6243, 25123), (10767, 14567)]