28643375

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{73}}^2$

素因数の和:204

約数の個数: 24

約数和(自身を含む): 37086192

約数和(自身を除く): 8442817

約数列:

[1, 5, 25, 43, 73, 125, 215, 365, 1075, 1825, 3139, 5329, 5375, 9125, 15695, 26645, 78475, 133225, 229147, 392375, 666125, 1145735, 5728675, 28643375]

約数ペア:

[(1, 28643375), (5, 5728675), (25, 1145735), (43, 666125), (73, 392375), (125, 229147), (215, 133225), (365, 78475), (1075, 26645), (1825, 15695), (3139, 9125), (5329, 5375)]