209160555

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 339755520

約数和(自身を除く): 130594965

約数列:

[1, 3, 5, 15, 103, 309, 331, 409, 515, 993, 1227, 1545, 1655, 2045, 4965, 6135, 34093, 42127, 102279, 126381, 135379, 170465, 210635, 406137, 511395, 631905, 676895, 2030685, 13944037, 41832111, 69720185, 209160555]

約数ペア:

[(1, 209160555), (3, 69720185), (5, 41832111), (15, 13944037), (103, 2030685), (309, 676895), (331, 631905), (409, 511395), (515, 406137), (993, 210635), (1227, 170465), (1545, 135379), (1655, 126381), (2045, 102279), (4965, 42127), (6135, 34093)]