189189

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:47

約数の個数: 48

約数和(自身を含む): 383040

約数和(自身を除く): 193851

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 49, 63, 77, 91, 99, 117, 143, 147, 189, 231, 273, 297, 351, 429, 441, 539, 637, 693, 819, 1001, 1287, 1323, 1617, 1911, 2079, 2457, 3003, 3861, 4851, 5733, 7007, 9009, 14553, 17199, 21021, 27027, 63063, 189189]

約数ペア:

[(1, 189189), (3, 63063), (7, 27027), (9, 21021), (11, 17199), (13, 14553), (21, 9009), (27, 7007), (33, 5733), (39, 4851), (49, 3861), (63, 3003), (77, 2457), (91, 2079), (99, 1911), (117, 1617), (143, 1323), (147, 1287), (189, 1001), (231, 819), (273, 693), (297, 637), (351, 539), (429, 441)]