28908331389

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{35327}}^1$

素因数の和:35790

約数の個数: 48

約数和(自身を含む): 49380065280

約数和(自身を除く): 20471733891

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 419, 651, 1257, 1953, 2933, 3771, 8799, 12989, 26397, 35327, 38967, 90923, 105981, 116901, 247289, 272769, 317943, 741867, 818307, 1095137, 2225601, 3285411, 7665959, 9856233, 14802013, 22997877, 44406039, 68993631, 103614091, 133218117, 310842273, 458862403, 932526819, 1376587209, 3212036821, 4129761627, 9636110463, 28908331389]

約数ペア:

[(1, 28908331389), (3, 9636110463), (7, 4129761627), (9, 3212036821), (21, 1376587209), (31, 932526819), (63, 458862403), (93, 310842273), (217, 133218117), (279, 103614091), (419, 68993631), (651, 44406039), (1257, 22997877), (1953, 14802013), (2933, 9856233), (3771, 7665959), (8799, 3285411), (12989, 2225601), (26397, 1095137), (35327, 818307), (38967, 741867), (90923, 317943), (105981, 272769), (116901, 247289)]