203720319

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 335032320

約数和(自身を除く): 131312001

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 127, 297, 363, 381, 491, 1089, 1143, 1397, 1473, 3267, 3429, 4191, 4419, 5401, 12573, 13257, 15367, 16203, 37719, 46101, 48609, 59411, 62357, 138303, 145827, 178233, 187071, 414909, 534699, 561213, 685927, 1604097, 1683639, 2057781, 6173343, 7545197, 18520029, 22635591, 67906773, 203720319]

約数ペア:

[(1, 203720319), (3, 67906773), (9, 22635591), (11, 18520029), (27, 7545197), (33, 6173343), (99, 2057781), (121, 1683639), (127, 1604097), (297, 685927), (363, 561213), (381, 534699), (491, 414909), (1089, 187071), (1143, 178233), (1397, 145827), (1473, 138303), (3267, 62357), (3429, 59411), (4191, 48609), (4419, 46101), (5401, 37719), (12573, 16203), (13257, 15367)]