78487191

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{39821}}^1$

素因数の和:39903

約数の個数: 16

約数和(自身を含む): 117873120

約数和(自身を除く): 39385929

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 39821, 119463, 358389, 1075167, 2906933, 8720799, 26162397, 78487191]

約数ペア:

[(1, 78487191), (3, 26162397), (9, 8720799), (27, 2906933), (73, 1075167), (219, 358389), (657, 119463), (1971, 39821)]