159989655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 300659040

約数和(自身を除く): 140669385

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 109, 147, 245, 327, 545, 735, 763, 1635, 1997, 2289, 3815, 5341, 5991, 9985, 11445, 13979, 16023, 26705, 29955, 41937, 69895, 80115, 97853, 209685, 217673, 293559, 489265, 653019, 1088365, 1467795, 1523711, 3265095, 4571133, 7618555, 10665977, 22855665, 31997931, 53329885, 159989655]

約数ペア:

[(1, 159989655), (3, 53329885), (5, 31997931), (7, 22855665), (15, 10665977), (21, 7618555), (35, 4571133), (49, 3265095), (105, 1523711), (109, 1467795), (147, 1088365), (245, 653019), (327, 489265), (545, 293559), (735, 217673), (763, 209685), (1635, 97853), (1997, 80115), (2289, 69895), (3815, 41937), (5341, 29955), (5991, 26705), (9985, 16023), (11445, 13979)]