2989525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1553}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 4624704

約数和(自身を除く): 1635179

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1553, 1925, 7765, 10871, 17083, 38825, 54355, 85415, 119581, 271775, 427075, 597905, 2989525]

約数ペア:

[(1, 2989525), (5, 597905), (7, 427075), (11, 271775), (25, 119581), (35, 85415), (55, 54355), (77, 38825), (175, 17083), (275, 10871), (385, 7765), (1553, 1925)]