17965719

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4349}}^1$

素因数の和:4381

約数の個数: 24

約数和(自身を含む): 28501200

約数和(自身を除く): 10535481

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4349, 13047, 39141, 73933, 117423, 221799, 352269, 665397, 1056807, 1996191, 5988573, 17965719]

約数ペア:

[(1, 17965719), (3, 5988573), (9, 1996191), (17, 1056807), (27, 665397), (51, 352269), (81, 221799), (153, 117423), (243, 73933), (459, 39141), (1377, 13047), (4131, 4349)]