217588007

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{953}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 270951264

約数和(自身を除く): 53363257

約数列:

[1, 7, 13, 91, 169, 193, 953, 1183, 1351, 2509, 6671, 12389, 17563, 32617, 86723, 161057, 183929, 228319, 1127399, 1287503, 2391077, 16737539, 31084001, 217588007]

約数ペア:

[(1, 217588007), (7, 31084001), (13, 16737539), (91, 2391077), (169, 1287503), (193, 1127399), (953, 228319), (1183, 183929), (1351, 161057), (2509, 86723), (6671, 32617), (12389, 17563)]