2728173

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 4310112

約数和(自身を除く): 1581939

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 277, 469, 831, 1407, 1939, 3283, 5817, 9849, 13573, 18559, 40719, 55677, 129913, 389739, 909391, 2728173]

約数ペア:

[(1, 2728173), (3, 909391), (7, 389739), (21, 129913), (49, 55677), (67, 40719), (147, 18559), (201, 13573), (277, 9849), (469, 5817), (831, 3283), (1407, 1939)]