16787547

素因数分解:

$3^3\times 7^2\times {\mathrm{12689}}^1$

素因数の和:12712

約数の個数: 24

約数和(自身を含む): 28933200

約数和(自身を除く): 12145653

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 12689, 38067, 88823, 114201, 266469, 342603, 621761, 799407, 1865283, 2398221, 5595849, 16787547]

約数ペア:

[(1, 16787547), (3, 5595849), (7, 2398221), (9, 1865283), (21, 799407), (27, 621761), (49, 342603), (63, 266469), (147, 114201), (189, 88823), (441, 38067), (1323, 12689)]