28061265

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 47232000

約数和(自身を除く): 19170735

約数列:

[1, 3, 5, 15, 23, 69, 115, 163, 345, 489, 499, 815, 1497, 2445, 2495, 3749, 7485, 11247, 11477, 18745, 34431, 56235, 57385, 81337, 172155, 244011, 406685, 1220055, 1870751, 5612253, 9353755, 28061265]

約数ペア:

[(1, 28061265), (3, 9353755), (5, 5612253), (15, 1870751), (23, 1220055), (69, 406685), (115, 244011), (163, 172155), (345, 81337), (489, 57385), (499, 56235), (815, 34431), (1497, 18745), (2445, 11477), (2495, 11247), (3749, 7485)]