16493841

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 30912000

約数和(自身を除く): 14418159

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 137, 147, 189, 273, 343, 351, 411, 441, 637, 819, 959, 1029, 1233, 1323, 1781, 1911, 2457, 2877, 3087, 3699, 4459, 5343, 5733, 6713, 8631, 9261, 12467, 13377, 16029, 17199, 20139, 25893, 37401, 40131, 46991, 48087, 60417, 87269, 112203, 120393, 140973, 181251, 261807, 336609, 422919, 610883, 785421, 1268757, 1832649, 2356263, 5497947, 16493841]

約数ペア:

[(1, 16493841), (3, 5497947), (7, 2356263), (9, 1832649), (13, 1268757), (21, 785421), (27, 610883), (39, 422919), (49, 336609), (63, 261807), (91, 181251), (117, 140973), (137, 120393), (147, 112203), (189, 87269), (273, 60417), (343, 48087), (351, 46991), (411, 40131), (441, 37401), (637, 25893), (819, 20139), (959, 17199), (1029, 16029), (1233, 13377), (1323, 12467), (1781, 9261), (1911, 8631), (2457, 6713), (2877, 5733), (3087, 5343), (3699, 4459)]