521005527

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9473}}^1$

素因数の和:9589

約数の個数: 40

約数和(自身を含む): 898741536

約数和(自身を除く): 377736009

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 567, 679, 873, 2037, 2619, 6111, 7857, 9473, 18333, 28419, 54999, 66311, 85257, 198933, 255771, 596799, 767313, 918881, 1790397, 2756643, 5371191, 6432167, 8269929, 19296501, 24809787, 57889503, 74429361, 173668509, 521005527]

約数ペア:

[(1, 521005527), (3, 173668509), (7, 74429361), (9, 57889503), (21, 24809787), (27, 19296501), (63, 8269929), (81, 6432167), (97, 5371191), (189, 2756643), (291, 1790397), (567, 918881), (679, 767313), (873, 596799), (2037, 255771), (2619, 198933), (6111, 85257), (7857, 66311), (9473, 54999), (18333, 28419)]