1331509995

素因数分解:

$3^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5507}}^1$

素因数の和:5726

約数の個数: 48

約数和(自身を含む): 2405894400

約数和(自身を除く): 1074384405

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 243, 405, 597, 995, 1215, 1791, 2985, 5373, 5507, 8955, 16119, 16521, 26865, 27535, 48357, 49563, 80595, 82605, 148689, 241785, 247815, 446067, 743445, 1095893, 1338201, 2230335, 3287679, 5479465, 6691005, 9863037, 16438395, 29589111, 49315185, 88767333, 147945555, 266301999, 443836665, 1331509995]

約数ペア:

[(1, 1331509995), (3, 443836665), (5, 266301999), (9, 147945555), (15, 88767333), (27, 49315185), (45, 29589111), (81, 16438395), (135, 9863037), (199, 6691005), (243, 5479465), (405, 3287679), (597, 2230335), (995, 1338201), (1215, 1095893), (1791, 743445), (2985, 446067), (5373, 247815), (5507, 241785), (8955, 148689), (16119, 82605), (16521, 80595), (26865, 49563), (27535, 48357)]