156565857

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 243742464

約数和(自身を除く): 87176607

約数列:

[1, 3, 7, 21, 97, 101, 291, 303, 679, 707, 761, 2037, 2121, 2283, 5327, 9797, 15981, 29391, 68579, 73817, 76861, 205737, 221451, 230583, 516719, 538027, 1550157, 1614081, 7455517, 22366551, 52188619, 156565857]

約数ペア:

[(1, 156565857), (3, 52188619), (7, 22366551), (21, 7455517), (97, 1614081), (101, 1550157), (291, 538027), (303, 516719), (679, 230583), (707, 221451), (761, 205737), (2037, 76861), (2121, 73817), (2283, 68579), (5327, 29391), (9797, 15981)]