251542011

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1483}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 394910208

約数和(自身を除く): 143368197

約数列:

[1, 3, 7, 21, 41, 123, 197, 287, 591, 861, 1379, 1483, 4137, 4449, 8077, 10381, 24231, 31143, 56539, 60803, 169617, 182409, 292151, 425621, 876453, 1276863, 2045057, 6135171, 11978191, 35934573, 83847337, 251542011]

約数ペア:

[(1, 251542011), (3, 83847337), (7, 35934573), (21, 11978191), (41, 6135171), (123, 2045057), (197, 1276863), (287, 876453), (591, 425621), (861, 292151), (1379, 182409), (1483, 169617), (4137, 60803), (4449, 56539), (8077, 31143), (10381, 24231)]