177678423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 285090624

約数和(自身を除く): 107412201

約数列:

[1, 3, 9, 13, 39, 71, 73, 117, 213, 219, 293, 639, 657, 879, 923, 949, 2637, 2769, 2847, 3809, 5183, 8307, 8541, 11427, 15549, 20803, 21389, 34281, 46647, 62409, 64167, 67379, 187227, 192501, 202137, 270439, 278057, 606411, 811317, 834171, 1518619, 2433951, 2502513, 4555857, 13667571, 19742047, 59226141, 177678423]

約数ペア:

[(1, 177678423), (3, 59226141), (9, 19742047), (13, 13667571), (39, 4555857), (71, 2502513), (73, 2433951), (117, 1518619), (213, 834171), (219, 811317), (293, 606411), (639, 278057), (657, 270439), (879, 202137), (923, 192501), (949, 187227), (2637, 67379), (2769, 64167), (2847, 62409), (3809, 46647), (5183, 34281), (8307, 21389), (8541, 20803), (11427, 15549)]