42781305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1931}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 78640128

約数和(自身を除く): 35858823

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 211, 633, 1055, 1477, 1931, 3165, 4431, 5793, 7385, 9655, 13517, 22155, 28965, 40551, 67585, 202755, 407441, 1222323, 2037205, 2852087, 6111615, 8556261, 14260435, 42781305]

約数ペア:

[(1, 42781305), (3, 14260435), (5, 8556261), (7, 6111615), (15, 2852087), (21, 2037205), (35, 1222323), (105, 407441), (211, 202755), (633, 67585), (1055, 40551), (1477, 28965), (1931, 22155), (3165, 13517), (4431, 9655), (5793, 7385)]