78274269

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{18233}}^1$

素因数の和:18298

約数の個数: 20

約数和(自身を含む): 119140956

約数和(自身を除く): 40866687

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 18233, 54699, 164097, 492291, 966349, 1476873, 2899047, 8697141, 26091423, 78274269]

約数ペア:

[(1, 78274269), (3, 26091423), (9, 8697141), (27, 2899047), (53, 1476873), (81, 966349), (159, 492291), (477, 164097), (1431, 54699), (4293, 18233)]