64747221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 110111232

約数和(自身を除く): 45364011

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 121, 231, 249, 307, 363, 581, 847, 913, 921, 1743, 2149, 2541, 2739, 3377, 6391, 6447, 10043, 10131, 19173, 23639, 25481, 30129, 37147, 70301, 70917, 76443, 111441, 178367, 210903, 260029, 280291, 535101, 780087, 840873, 1962037, 3083201, 5886111, 9249603, 21582407, 64747221]

約数ペア:

[(1, 64747221), (3, 21582407), (7, 9249603), (11, 5886111), (21, 3083201), (33, 1962037), (77, 840873), (83, 780087), (121, 535101), (231, 280291), (249, 260029), (307, 210903), (363, 178367), (581, 111441), (847, 76443), (913, 70917), (921, 70301), (1743, 37147), (2149, 30129), (2541, 25481), (2739, 23639), (3377, 19173), (6391, 10131), (6447, 10043)]