16768647

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 30257920

約数和(自身を除く): 13489273

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 289, 307, 357, 459, 867, 921, 1071, 2023, 2149, 2601, 2763, 3213, 5219, 6069, 6447, 7803, 8289, 15657, 18207, 19341, 36533, 46971, 54621, 58023, 88723, 109599, 140913, 266169, 328797, 621061, 798507, 986391, 1863183, 2395521, 5589549, 16768647]

約数ペア:

[(1, 16768647), (3, 5589549), (7, 2395521), (9, 1863183), (17, 986391), (21, 798507), (27, 621061), (51, 328797), (63, 266169), (119, 140913), (153, 109599), (189, 88723), (289, 58023), (307, 54621), (357, 46971), (459, 36533), (867, 19341), (921, 18207), (1071, 15657), (2023, 8289), (2149, 7803), (2601, 6447), (2763, 6069), (3213, 5219)]