27289225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 36153440

約数和(自身を除く): 8864215

約数列:

[1, 5, 19, 25, 73, 95, 365, 475, 787, 1387, 1825, 3935, 6935, 14953, 19675, 34675, 57451, 74765, 287255, 373825, 1091569, 1436275, 5457845, 27289225]

約数ペア:

[(1, 27289225), (5, 5457845), (19, 1436275), (25, 1091569), (73, 373825), (95, 287255), (365, 74765), (475, 57451), (787, 34675), (1387, 19675), (1825, 14953), (3935, 6935)]