38905293

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 62807040

約数和(自身を除く): 23901747

約数列:

[1, 3, 7, 19, 21, 57, 133, 281, 347, 399, 843, 1041, 1967, 2429, 5339, 5901, 6593, 7287, 16017, 19779, 37373, 46151, 97507, 112119, 138453, 292521, 682549, 1852633, 2047647, 5557899, 12968431, 38905293]

約数ペア:

[(1, 38905293), (3, 12968431), (7, 5557899), (19, 2047647), (21, 1852633), (57, 682549), (133, 292521), (281, 138453), (347, 112119), (399, 97507), (843, 46151), (1041, 37373), (1967, 19779), (2429, 16017), (5339, 7287), (5901, 6593)]