278319591

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{1289}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 450777600

約数和(自身を除く): 172458009

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 727, 1289, 2181, 3867, 6543, 7997, 11601, 14179, 19629, 23991, 34803, 42537, 71973, 127611, 215919, 382833, 937103, 2811309, 8433927, 10308133, 25301781, 30924399, 92773197, 278319591]

約数ペア:

[(1, 278319591), (3, 92773197), (9, 30924399), (11, 25301781), (27, 10308133), (33, 8433927), (99, 2811309), (297, 937103), (727, 382833), (1289, 215919), (2181, 127611), (3867, 71973), (6543, 42537), (7997, 34803), (11601, 23991), (14179, 19629)]