89415675

素因数分解:

$3^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1997}}^1$

素因数の和:2212

約数の個数: 36

約数和(自身を含む): 161038800

約数和(自身を除く): 71623125

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 199, 225, 597, 995, 1791, 1997, 2985, 4975, 5991, 8955, 9985, 14925, 17973, 29955, 44775, 49925, 89865, 149775, 397403, 449325, 1192209, 1987015, 3576627, 5961045, 9935075, 17883135, 29805225, 89415675]

約数ペア:

[(1, 89415675), (3, 29805225), (5, 17883135), (9, 9935075), (15, 5961045), (25, 3576627), (45, 1987015), (75, 1192209), (199, 449325), (225, 397403), (597, 149775), (995, 89865), (1791, 49925), (1997, 44775), (2985, 29955), (4975, 17973), (5991, 14925), (8955, 9985)]