621991293

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{32441}}^1$

素因数の和:32545

約数の個数: 32

約数和(自身を含む): 1046449152

約数和(自身を除く): 424457859

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 231, 249, 581, 913, 1743, 2739, 6391, 19173, 32441, 97323, 227087, 356851, 681261, 1070553, 2497957, 2692603, 7493871, 8077809, 18848221, 29618633, 56544663, 88855899, 207330431, 621991293]

約数ペア:

[(1, 621991293), (3, 207330431), (7, 88855899), (11, 56544663), (21, 29618633), (33, 18848221), (77, 8077809), (83, 7493871), (231, 2692603), (249, 2497957), (581, 1070553), (913, 681261), (1743, 356851), (2739, 227087), (6391, 97323), (19173, 32441)]