28777375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{20929}}^1$

素因数の和:20955

約数の個数: 16

約数和(自身を含む): 39180960

約数和(自身を除く): 10403585

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 20929, 104645, 230219, 523225, 1151095, 2616125, 5755475, 28777375]

約数ペア:

[(1, 28777375), (5, 5755475), (11, 2616125), (25, 1151095), (55, 523225), (125, 230219), (275, 104645), (1375, 20929)]