16487667

素因数分解:

$3^2\times 7^5\times {\mathrm{109}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 28039440

約数和(自身を除く): 11551773

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 343, 441, 763, 981, 1029, 2289, 2401, 3087, 5341, 6867, 7203, 16023, 16807, 21609, 37387, 48069, 50421, 112161, 151263, 261709, 336483, 785127, 1831963, 2355381, 5495889, 16487667]

約数ペア:

[(1, 16487667), (3, 5495889), (7, 2355381), (9, 1831963), (21, 785127), (49, 336483), (63, 261709), (109, 151263), (147, 112161), (327, 50421), (343, 48069), (441, 37387), (763, 21609), (981, 16807), (1029, 16023), (2289, 7203), (2401, 6867), (3087, 5341)]