201523707

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 381004800

約数和(自身を除く): 179481093

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 79, 81, 99, 189, 231, 237, 297, 409, 553, 567, 693, 711, 869, 891, 1227, 1659, 2079, 2133, 2607, 2863, 3681, 4499, 4977, 6083, 6237, 6399, 7821, 8589, 11043, 13497, 14931, 18249, 23463, 25767, 31493, 32311, 33129, 40491, 44793, 54747, 70389, 77301, 94479, 96933, 121473, 164241, 226177, 231903, 283437, 290799, 355421, 364419, 492723, 678531, 850311, 872397, 1066263, 2035593, 2487947, 2550933, 2617191, 3198789, 6106779, 7463841, 9596367, 18320337, 22391523, 28789101, 67174569, 201523707]

約数ペア:

[(1, 201523707), (3, 67174569), (7, 28789101), (9, 22391523), (11, 18320337), (21, 9596367), (27, 7463841), (33, 6106779), (63, 3198789), (77, 2617191), (79, 2550933), (81, 2487947), (99, 2035593), (189, 1066263), (231, 872397), (237, 850311), (297, 678531), (409, 492723), (553, 364419), (567, 355421), (693, 290799), (711, 283437), (869, 231903), (891, 226177), (1227, 164241), (1659, 121473), (2079, 96933), (2133, 94479), (2607, 77301), (2863, 70389), (3681, 54747), (4499, 44793), (4977, 40491), (6083, 33129), (6237, 32311), (6399, 31493), (7821, 25767), (8589, 23463), (11043, 18249), (13497, 14931)]