4397379

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 7188480

約数和(自身を除く): 2791101

約数列:

[1, 3, 7, 19, 21, 57, 103, 107, 133, 309, 321, 399, 721, 749, 1957, 2033, 2163, 2247, 5871, 6099, 11021, 13699, 14231, 33063, 41097, 42693, 77147, 209399, 231441, 628197, 1465793, 4397379]

約数ペア:

[(1, 4397379), (3, 1465793), (7, 628197), (19, 231441), (21, 209399), (57, 77147), (103, 42693), (107, 41097), (133, 33063), (309, 14231), (321, 13699), (399, 11021), (721, 6099), (749, 5871), (1957, 2247), (2033, 2163)]