205844835

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{280061}}^1$

素因数の和:280083

約数の個数: 24

約数和(自身を含む): 383124816

約数和(自身を除く): 177279981

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 280061, 840183, 1400305, 1960427, 4200915, 5881281, 9802135, 13722989, 29406405, 41168967, 68614945, 205844835]

約数ペア:

[(1, 205844835), (3, 68614945), (5, 41168967), (7, 29406405), (15, 13722989), (21, 9802135), (35, 5881281), (49, 4200915), (105, 1960427), (147, 1400305), (245, 840183), (735, 280061)]