1331305525

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{440101}}^1$

素因数の和:440133

約数の個数: 18

約数和(自身を含む): 1814540546

約数和(自身を除く): 483235021

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 440101, 2200505, 4841111, 11002525, 24205555, 53252221, 121027775, 266261105, 1331305525]

約数ペア:

[(1, 1331305525), (5, 266261105), (11, 121027775), (25, 53252221), (55, 24205555), (121, 11002525), (275, 4841111), (605, 2200505), (3025, 440101)]