28872825

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6311}}^1$

素因数の和:6385

約数の個数: 24

約数和(自身を含む): 48526656

約数和(自身を除く): 19653831

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 6311, 18933, 31555, 94665, 157775, 384971, 473325, 1154913, 1924855, 5774565, 9624275, 28872825]

約数ペア:

[(1, 28872825), (3, 9624275), (5, 5774565), (15, 1924855), (25, 1154913), (61, 473325), (75, 384971), (183, 157775), (305, 94665), (915, 31555), (1525, 18933), (4575, 6311)]