87974991

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{9283}}^1$

素因数の和:9314

約数の個数: 28

約数和(自身を含む): 142063768

約数和(自身を除く): 54088777

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 9283, 9477, 27849, 83547, 120679, 250641, 362037, 751923, 1086111, 2255769, 3258333, 6767307, 9774999, 29324997, 87974991]

約数ペア:

[(1, 87974991), (3, 29324997), (9, 9774999), (13, 6767307), (27, 3258333), (39, 2255769), (81, 1086111), (117, 751923), (243, 362037), (351, 250641), (729, 120679), (1053, 83547), (3159, 27849), (9283, 9477)]