81136971

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{6547}}^1$

素因数の和:6582

約数の個数: 28

約数和(自身を含む): 128825352

約数和(自身を除く): 47688381

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 6547, 12393, 19641, 58923, 111299, 176769, 333897, 530307, 1001691, 1590921, 3005073, 4772763, 9015219, 27045657, 81136971]

約数ペア:

[(1, 81136971), (3, 27045657), (9, 9015219), (17, 4772763), (27, 3005073), (51, 1590921), (81, 1001691), (153, 530307), (243, 333897), (459, 176769), (729, 111299), (1377, 58923), (4131, 19641), (6547, 12393)]