81549801

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{70241}}^1$

素因数の和:70293

約数の個数: 16

約数和(自身を含む): 123625920

約数和(自身を除く): 42076119

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 70241, 210723, 632169, 1896507, 3020363, 9061089, 27183267, 81549801]

約数ペア:

[(1, 81549801), (3, 27183267), (9, 9061089), (27, 3020363), (43, 1896507), (129, 632169), (387, 210723), (1161, 70241)]