67788981

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:365

約数の個数: 56

約数和(自身を含む): 114581376

約数和(自身を除く): 46792395

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 243, 299, 311, 351, 621, 729, 897, 933, 1053, 1863, 2691, 2799, 3159, 4043, 5589, 7153, 8073, 8397, 9477, 12129, 16767, 21459, 24219, 25191, 36387, 64377, 72657, 75573, 92989, 109161, 193131, 217971, 226719, 278967, 327483, 579393, 836901, 982449, 1738179, 2510703, 2947347, 5214537, 7532109, 22596327, 67788981]

約数ペア:

[(1, 67788981), (3, 22596327), (9, 7532109), (13, 5214537), (23, 2947347), (27, 2510703), (39, 1738179), (69, 982449), (81, 836901), (117, 579393), (207, 327483), (243, 278967), (299, 226719), (311, 217971), (351, 193131), (621, 109161), (729, 92989), (897, 75573), (933, 72657), (1053, 64377), (1863, 36387), (2691, 25191), (2799, 24219), (3159, 21459), (4043, 16767), (5589, 12129), (7153, 9477), (8073, 8397)]