25211277

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 47595520

約数和(自身を除く): 22384243

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 91, 93, 117, 189, 217, 273, 279, 331, 351, 403, 651, 819, 837, 993, 1209, 1953, 2317, 2457, 2821, 2979, 3627, 4303, 5859, 6951, 8463, 8937, 10261, 10881, 12909, 20853, 25389, 30121, 30783, 38727, 62559, 71827, 76167, 90363, 92349, 116181, 133393, 215481, 271089, 277047, 400179, 646443, 813267, 933751, 1200537, 1939329, 2801253, 3601611, 8403759, 25211277]

約数ペア:

[(1, 25211277), (3, 8403759), (7, 3601611), (9, 2801253), (13, 1939329), (21, 1200537), (27, 933751), (31, 813267), (39, 646443), (63, 400179), (91, 277047), (93, 271089), (117, 215481), (189, 133393), (217, 116181), (273, 92349), (279, 90363), (331, 76167), (351, 71827), (403, 62559), (651, 38727), (819, 30783), (837, 30121), (993, 25389), (1209, 20853), (1953, 12909), (2317, 10881), (2457, 10261), (2821, 8937), (2979, 8463), (3627, 6951), (4303, 5859)]