2155479975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{870901}}^1$

素因数の和:870928

約数の個数: 36

約数和(自身を含む): 4211682072

約数和(自身を除く): 2056202097

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 870901, 2612703, 4354505, 7838109, 9579911, 13063515, 21772525, 28739733, 39190545, 47899555, 65317575, 86219199, 143698665, 195952725, 239497775, 431095995, 718493325, 2155479975]

約数ペア:

[(1, 2155479975), (3, 718493325), (5, 431095995), (9, 239497775), (11, 195952725), (15, 143698665), (25, 86219199), (33, 65317575), (45, 47899555), (55, 39190545), (75, 28739733), (99, 21772525), (165, 13063515), (225, 9579911), (275, 7838109), (495, 4354505), (825, 2612703), (2475, 870901)]