208575843

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7451}}^1$

素因数の和:7535

約数の個数: 32

約数和(自身を含む): 335757312

約数和(自身を除く): 127181469

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 1333, 3999, 7451, 9331, 22353, 27993, 52157, 156471, 230981, 320393, 692943, 961179, 1616867, 2242751, 4850601, 6728253, 9932183, 29796549, 69525281, 208575843]

約数ペア:

[(1, 208575843), (3, 69525281), (7, 29796549), (21, 9932183), (31, 6728253), (43, 4850601), (93, 2242751), (129, 1616867), (217, 961179), (301, 692943), (651, 320393), (903, 230981), (1333, 156471), (3999, 52157), (7451, 27993), (9331, 22353)]