268309881

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61723}}^1$

素因数の和:61762

約数の個数: 32

約数和(自身を含む): 474040320

約数和(自身を除く): 205730439

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 61723, 185169, 432061, 555507, 1296183, 1419629, 1666521, 3888549, 4258887, 9937403, 11665647, 12776661, 29812209, 38329983, 89436627, 268309881]

約数ペア:

[(1, 268309881), (3, 89436627), (7, 38329983), (9, 29812209), (21, 12776661), (23, 11665647), (27, 9937403), (63, 4258887), (69, 3888549), (161, 1666521), (189, 1419629), (207, 1296183), (483, 555507), (621, 432061), (1449, 185169), (4347, 61723)]