77880123

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{13171}}^1$

素因数の和:13256

約数の個数: 20

約数和(自身を含む): 117942088

約数和(自身を除く): 40061965

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 13171, 39513, 118539, 355617, 961483, 1066851, 2884449, 8653347, 25960041, 77880123]

約数ペア:

[(1, 77880123), (3, 25960041), (9, 8653347), (27, 2884449), (73, 1066851), (81, 961483), (219, 355617), (657, 118539), (1971, 39513), (5913, 13171)]