27828025

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 35515584

約数和(自身を除く): 7687559

約数列:

[1, 5, 25, 101, 103, 107, 505, 515, 535, 2525, 2575, 2675, 10403, 10807, 11021, 52015, 54035, 55105, 260075, 270175, 275525, 1113121, 5565605, 27828025]

約数ペア:

[(1, 27828025), (5, 5565605), (25, 1113121), (101, 275525), (103, 270175), (107, 260075), (505, 55105), (515, 54035), (535, 52015), (2525, 11021), (2575, 10807), (2675, 10403)]