28901125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{21019}}^1$

素因数の和:21045

約数の個数: 16

約数和(自身を含む): 39349440

約数和(自身を除く): 10448315

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 21019, 105095, 231209, 525475, 1156045, 2627375, 5780225, 28901125]

約数ペア:

[(1, 28901125), (5, 5780225), (11, 2627375), (25, 1156045), (55, 525475), (125, 231209), (275, 105095), (1375, 21019)]