16218459

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1493}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 25170912

約数和(自身を除く): 8952453

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 1493, 3621, 4479, 10863, 13437, 25381, 76143, 106003, 228429, 318009, 954027, 1802051, 5406153, 16218459]

約数ペア:

[(1, 16218459), (3, 5406153), (9, 1802051), (17, 954027), (51, 318009), (71, 228429), (153, 106003), (213, 76143), (639, 25381), (1207, 13437), (1493, 10863), (3621, 4479)]