15981921

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{34819}}^1$

素因数の和:34845

約数の個数: 16

約数和(自身を含む): 25070400

約数和(自身を除く): 9088479

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 34819, 104457, 313371, 591923, 940113, 1775769, 5327307, 15981921]

約数ペア:

[(1, 15981921), (3, 5327307), (9, 1775769), (17, 940113), (27, 591923), (51, 313371), (153, 104457), (459, 34819)]