121557775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 156450800

約数和(自身を除く): 34893025

約数列:

[1, 5, 25, 43, 73, 215, 365, 1075, 1549, 1825, 3139, 7745, 15695, 38725, 66607, 78475, 113077, 333035, 565385, 1665175, 2826925, 4862311, 24311555, 121557775]

約数ペア:

[(1, 121557775), (5, 24311555), (25, 4862311), (43, 2826925), (73, 1665175), (215, 565385), (365, 333035), (1075, 113077), (1549, 78475), (1825, 66607), (3139, 38725), (7745, 15695)]