1220888511

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{269}}^1\times {\mathrm{1571}}^1$

素因数の和:1956

約数の個数: 32

約数和(自身を含む): 1833580800

約数和(自身を除く): 612692289

約数列:

[1, 3, 9, 27, 107, 269, 321, 807, 963, 1571, 2421, 2889, 4713, 7263, 14139, 28783, 42417, 86349, 168097, 259047, 422599, 504291, 777141, 1267797, 1512873, 3803391, 4538619, 11410173, 45218093, 135654279, 406962837, 1220888511]

約数ペア:

[(1, 1220888511), (3, 406962837), (9, 135654279), (27, 45218093), (107, 11410173), (269, 4538619), (321, 3803391), (807, 1512873), (963, 1267797), (1571, 777141), (2421, 504291), (2889, 422599), (4713, 259047), (7263, 168097), (14139, 86349), (28783, 42417)]