31988169

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{69691}}^1$

素因数の和:69717

約数の個数: 16

約数和(自身を含む): 50178240

約数和(自身を除く): 18190071

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 69691, 209073, 627219, 1184747, 1881657, 3554241, 10662723, 31988169]

約数ペア:

[(1, 31988169), (3, 10662723), (9, 3554241), (17, 1881657), (27, 1184747), (51, 627219), (153, 209073), (459, 69691)]