74978375

素因数分解:

$5^3\times {\mathrm{109}}^1\times {\mathrm{5503}}^1$

素因数の和:5627

約数の個数: 16

約数和(自身を含む): 94448640

約数和(自身を除く): 19470265

約数列:

[1, 5, 25, 109, 125, 545, 2725, 5503, 13625, 27515, 137575, 599827, 687875, 2999135, 14995675, 74978375]

約数ペア:

[(1, 74978375), (5, 14995675), (25, 2999135), (109, 687875), (125, 599827), (545, 137575), (2725, 27515), (5503, 13625)]