869211

素因数分解:

$3^5\times 7^2\times {\mathrm{73}}^1$

素因数の和:102

約数の個数: 36

約数和(自身を含む): 1535352

約数和(自身を除く): 666141

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 81, 147, 189, 219, 243, 441, 511, 567, 657, 1323, 1533, 1701, 1971, 3577, 3969, 4599, 5913, 10731, 11907, 13797, 17739, 32193, 41391, 96579, 124173, 289737, 869211]

約数ペア:

[(1, 869211), (3, 289737), (7, 124173), (9, 96579), (21, 41391), (27, 32193), (49, 17739), (63, 13797), (73, 11907), (81, 10731), (147, 5913), (189, 4599), (219, 3969), (243, 3577), (441, 1971), (511, 1701), (567, 1533), (657, 1323)]