7492821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 12211200

約数和(自身を除く): 4718379

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 211, 267, 399, 623, 633, 1477, 1691, 1869, 4009, 4431, 5073, 11837, 12027, 18779, 28063, 35511, 56337, 84189, 131453, 356801, 394359, 1070403, 2497607, 7492821]

約数ペア:

[(1, 7492821), (3, 2497607), (7, 1070403), (19, 394359), (21, 356801), (57, 131453), (89, 84189), (133, 56337), (211, 35511), (267, 28063), (399, 18779), (623, 12027), (633, 11837), (1477, 5073), (1691, 4431), (1869, 4009)]