28905555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14489}}^1$

素因数の和:14523

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 26736045

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 14489, 43467, 72445, 101423, 217335, 275291, 304269, 507115, 825873, 1376455, 1521345, 1927037, 4129365, 5781111, 9635185, 28905555]

約数ペア:

[(1, 28905555), (3, 9635185), (5, 5781111), (7, 4129365), (15, 1927037), (19, 1521345), (21, 1376455), (35, 825873), (57, 507115), (95, 304269), (105, 275291), (133, 217335), (285, 101423), (399, 72445), (665, 43467), (1995, 14489)]