51720675

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29983}}^1$

素因数の和:30019

約数の個数: 24

約数和(自身を含む): 89232384

約数和(自身を除く): 37511709

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 29983, 89949, 149915, 449745, 689609, 749575, 2068827, 2248725, 3448045, 10344135, 17240225, 51720675]

約数ペア:

[(1, 51720675), (3, 17240225), (5, 10344135), (15, 3448045), (23, 2248725), (25, 2068827), (69, 749575), (75, 689609), (115, 449745), (345, 149915), (575, 89949), (1725, 29983)]