1891233

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 2965248

約数和(自身を除く): 1074015

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 263, 423, 789, 799, 2367, 2397, 4471, 7191, 12361, 13413, 37083, 40239, 111249, 210137, 630411, 1891233]

約数ペア:

[(1, 1891233), (3, 630411), (9, 210137), (17, 111249), (47, 40239), (51, 37083), (141, 13413), (153, 12361), (263, 7191), (423, 4471), (789, 2397), (799, 2367)]