80481519

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 128362608

約数和(自身を除く): 47881089

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 211, 277, 459, 633, 831, 1377, 1899, 2493, 3587, 4709, 5697, 7479, 10761, 14127, 17091, 22437, 32283, 42381, 58447, 96849, 127143, 175341, 290547, 381429, 526023, 993599, 1578069, 2980797, 4734207, 8942391, 26827173, 80481519]

約数ペア:

[(1, 80481519), (3, 26827173), (9, 8942391), (17, 4734207), (27, 2980797), (51, 1578069), (81, 993599), (153, 526023), (211, 381429), (277, 290547), (459, 175341), (633, 127143), (831, 96849), (1377, 58447), (1899, 42381), (2493, 32283), (3587, 22437), (4709, 17091), (5697, 14127), (7479, 10761)]