16925217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 8621535

約数列:

[1, 3, 17, 23, 47, 51, 69, 141, 307, 391, 799, 921, 1081, 1173, 2397, 3243, 5219, 7061, 14429, 15657, 18377, 21183, 43287, 55131, 120037, 245293, 331867, 360111, 735879, 995601, 5641739, 16925217]

約数ペア:

[(1, 16925217), (3, 5641739), (17, 995601), (23, 735879), (47, 360111), (51, 331867), (69, 245293), (141, 120037), (307, 55131), (391, 43287), (799, 21183), (921, 18377), (1081, 15657), (1173, 14429), (2397, 7061), (3243, 5219)]