15505581

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 27195264

約数和(自身を除く): 11689683

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 169, 221, 257, 273, 357, 507, 663, 771, 1183, 1547, 1799, 2873, 3341, 3549, 4369, 4641, 5397, 8619, 10023, 13107, 20111, 23387, 30583, 43433, 56797, 60333, 70161, 91749, 130299, 170391, 304031, 397579, 738361, 912093, 1192737, 2215083, 5168527, 15505581]

約数ペア:

[(1, 15505581), (3, 5168527), (7, 2215083), (13, 1192737), (17, 912093), (21, 738361), (39, 397579), (51, 304031), (91, 170391), (119, 130299), (169, 91749), (221, 70161), (257, 60333), (273, 56797), (357, 43433), (507, 30583), (663, 23387), (771, 20111), (1183, 13107), (1547, 10023), (1799, 8619), (2873, 5397), (3341, 4641), (3549, 4369)]