55248921

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 104569920

約数和(自身を除く): 49320999

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 49, 63, 69, 91, 117, 147, 161, 207, 273, 299, 419, 441, 483, 637, 819, 897, 1127, 1257, 1449, 1911, 2093, 2691, 2933, 3381, 3771, 5447, 5733, 6279, 8799, 9637, 10143, 14651, 16341, 18837, 20531, 26397, 28911, 38129, 43953, 49023, 61593, 67459, 86733, 114387, 125281, 131859, 184779, 202377, 266903, 343161, 375843, 472213, 607131, 800709, 876967, 1127529, 1416639, 2402127, 2630901, 4249917, 6138769, 7892703, 18416307, 55248921]

約数ペア:

[(1, 55248921), (3, 18416307), (7, 7892703), (9, 6138769), (13, 4249917), (21, 2630901), (23, 2402127), (39, 1416639), (49, 1127529), (63, 876967), (69, 800709), (91, 607131), (117, 472213), (147, 375843), (161, 343161), (207, 266903), (273, 202377), (299, 184779), (419, 131859), (441, 125281), (483, 114387), (637, 86733), (819, 67459), (897, 61593), (1127, 49023), (1257, 43953), (1449, 38129), (1911, 28911), (2093, 26397), (2691, 20531), (2933, 18837), (3381, 16341), (3771, 14651), (5447, 10143), (5733, 9637), (6279, 8799)]