28900275

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6317}}^1$

素因数の和:6391

約数の個数: 24

約数和(自身を含む): 48572784

約数和(自身を除く): 19672509

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 6317, 18951, 31585, 94755, 157925, 385337, 473775, 1156011, 1926685, 5780055, 9633425, 28900275]

約数ペア:

[(1, 28900275), (3, 9633425), (5, 5780055), (15, 1926685), (25, 1156011), (61, 473775), (75, 385337), (183, 157925), (305, 94755), (915, 31585), (1525, 18951), (4575, 6317)]