678746871

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{937}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 1114434048

約数和(自身を除く): 435687177

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 271, 297, 813, 891, 937, 2439, 2673, 2811, 2981, 7317, 8433, 8943, 10307, 21951, 25299, 26829, 30921, 65853, 75897, 80487, 92763, 227691, 241461, 253927, 278289, 724383, 761781, 834867, 2285343, 2504601, 2793197, 6856029, 8379591, 20568087, 25138773, 61704261, 75416319, 226248957, 678746871]

約数ペア:

[(1, 678746871), (3, 226248957), (9, 75416319), (11, 61704261), (27, 25138773), (33, 20568087), (81, 8379591), (99, 6856029), (243, 2793197), (271, 2504601), (297, 2285343), (813, 834867), (891, 761781), (937, 724383), (2439, 278289), (2673, 253927), (2811, 241461), (2981, 227691), (7317, 92763), (8433, 80487), (8943, 75897), (10307, 65853), (21951, 30921), (25299, 26829)]