77961771

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{4987}}^1$

素因数の和:5192

約数の個数: 20

約数和(自身を含む): 117088312

約数和(自身を除く): 39126541

約数列:

[1, 3, 9, 27, 81, 193, 579, 1737, 4987, 5211, 14961, 15633, 44883, 134649, 403947, 962491, 2887473, 8662419, 25987257, 77961771]

約数ペア:

[(1, 77961771), (3, 25987257), (9, 8662419), (27, 2887473), (81, 962491), (193, 403947), (579, 134649), (1737, 44883), (4987, 15633), (5211, 14961)]