80729325

素因数分解:

$3^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 149296000

約数和(自身を除く): 68566675

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 199, 225, 597, 601, 675, 995, 1791, 1803, 2985, 3005, 4975, 5373, 5409, 8955, 9015, 14925, 15025, 16227, 26865, 27045, 44775, 45075, 81135, 119599, 134325, 135225, 358797, 405675, 597995, 1076391, 1793985, 2989975, 3229173, 5381955, 8969925, 16145865, 26909775, 80729325]

約数ペア:

[(1, 80729325), (3, 26909775), (5, 16145865), (9, 8969925), (15, 5381955), (25, 3229173), (27, 2989975), (45, 1793985), (75, 1076391), (135, 597995), (199, 405675), (225, 358797), (597, 135225), (601, 134325), (675, 119599), (995, 81135), (1791, 45075), (1803, 44775), (2985, 27045), (3005, 26865), (4975, 16227), (5373, 15025), (5409, 14925), (8955, 9015)]