9999639

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 16486400

約数和(自身を除く): 6486761

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 919, 1209, 2757, 3627, 8271, 10881, 11947, 24813, 28489, 35841, 85467, 107523, 256401, 322569, 370357, 769203, 1111071, 3333213, 9999639]

約数ペア:

[(1, 9999639), (3, 3333213), (9, 1111071), (13, 769203), (27, 370357), (31, 322569), (39, 256401), (93, 107523), (117, 85467), (279, 35841), (351, 28489), (403, 24813), (837, 11947), (919, 10881), (1209, 8271), (2757, 3627)]