207857055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2423}}^1$

素因数の和:2500

約数の個数: 64

約数和(自身を含む): 409559040

約数和(自身を除く): 201701985

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 43, 57, 95, 105, 129, 133, 215, 285, 301, 399, 645, 665, 817, 903, 1505, 1995, 2423, 2451, 4085, 4515, 5719, 7269, 12115, 12255, 16961, 17157, 28595, 36345, 46037, 50883, 84805, 85785, 104189, 138111, 230185, 254415, 312567, 322259, 520945, 690555, 729323, 966777, 1562835, 1611295, 1979591, 2187969, 3646615, 4833885, 5938773, 9897955, 10939845, 13857137, 29693865, 41571411, 69285685, 207857055]

約数ペア:

[(1, 207857055), (3, 69285685), (5, 41571411), (7, 29693865), (15, 13857137), (19, 10939845), (21, 9897955), (35, 5938773), (43, 4833885), (57, 3646615), (95, 2187969), (105, 1979591), (129, 1611295), (133, 1562835), (215, 966777), (285, 729323), (301, 690555), (399, 520945), (645, 322259), (665, 312567), (817, 254415), (903, 230185), (1505, 138111), (1995, 104189), (2423, 85785), (2451, 84805), (4085, 50883), (4515, 46037), (5719, 36345), (7269, 28595), (12115, 17157), (12255, 16961)]