42821765

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 61797120

約数和(自身を除く): 18975355

約数列:

[1, 5, 7, 35, 37, 43, 185, 215, 259, 301, 769, 1295, 1505, 1591, 3845, 5383, 7955, 11137, 26915, 28453, 33067, 55685, 142265, 165335, 199171, 231469, 995855, 1157345, 1223479, 6117395, 8564353, 42821765]

約数ペア:

[(1, 42821765), (5, 8564353), (7, 6117395), (35, 1223479), (37, 1157345), (43, 995855), (185, 231469), (215, 199171), (259, 165335), (301, 142265), (769, 55685), (1295, 33067), (1505, 28453), (1591, 26915), (3845, 11137), (5383, 7955)]