212219211

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 311040000

約数和(自身を除く): 98820789

約数列:

[1, 3, 17, 31, 51, 93, 269, 499, 527, 807, 1497, 1581, 4573, 8339, 8483, 13719, 15469, 25017, 25449, 46407, 134231, 141763, 262973, 402693, 425289, 788919, 2281927, 4161161, 6845781, 12483483, 70739737, 212219211]

約数ペア:

[(1, 212219211), (3, 70739737), (17, 12483483), (31, 6845781), (51, 4161161), (93, 2281927), (269, 788919), (499, 425289), (527, 402693), (807, 262973), (1497, 141763), (1581, 134231), (4573, 46407), (8339, 25449), (8483, 25017), (13719, 15469)]