56478807

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 106229760

約数和(自身を除く): 49750953

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 121, 217, 231, 239, 279, 341, 363, 651, 693, 717, 847, 1023, 1089, 1673, 1953, 2151, 2387, 2541, 2629, 3069, 3751, 5019, 7161, 7409, 7623, 7887, 11253, 15057, 18403, 21483, 22227, 23661, 26257, 28919, 33759, 51863, 55209, 66681, 78771, 81499, 86757, 155589, 165627, 202433, 236313, 244497, 260271, 466767, 570493, 607299, 733491, 896489, 1711479, 1821897, 2689467, 5134437, 6275423, 8068401, 18826269, 56478807]

約数ペア:

[(1, 56478807), (3, 18826269), (7, 8068401), (9, 6275423), (11, 5134437), (21, 2689467), (31, 1821897), (33, 1711479), (63, 896489), (77, 733491), (93, 607299), (99, 570493), (121, 466767), (217, 260271), (231, 244497), (239, 236313), (279, 202433), (341, 165627), (363, 155589), (651, 86757), (693, 81499), (717, 78771), (847, 66681), (1023, 55209), (1089, 51863), (1673, 33759), (1953, 28919), (2151, 26257), (2387, 23661), (2541, 22227), (2629, 21483), (3069, 18403), (3751, 15057), (5019, 11253), (7161, 7887), (7409, 7623)]