78354639

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 129113088

約数和(自身を除く): 50758449

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 121, 211, 279, 341, 363, 633, 1023, 1089, 1331, 1899, 2321, 3069, 3751, 3993, 6541, 6963, 11253, 11979, 19623, 20889, 25531, 33759, 41261, 58869, 71951, 76593, 123783, 215853, 229779, 280841, 371349, 647559, 791461, 842523, 2374383, 2527569, 7123149, 8706071, 26118213, 78354639]

約数ペア:

[(1, 78354639), (3, 26118213), (9, 8706071), (11, 7123149), (31, 2527569), (33, 2374383), (93, 842523), (99, 791461), (121, 647559), (211, 371349), (279, 280841), (341, 229779), (363, 215853), (633, 123783), (1023, 76593), (1089, 71951), (1331, 58869), (1899, 41261), (2321, 33759), (3069, 25531), (3751, 20889), (3993, 19623), (6541, 11979), (6963, 11253)]