669945213

素因数分解:

$3^2\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{9419}}^1$

素因数の和:10561

約数の個数: 24

約数和(自身を含む): 1107038400

約数和(自身を除く): 437093187

約数列:

[1, 3, 7, 9, 21, 63, 1129, 3387, 7903, 9419, 10161, 23709, 28257, 65933, 71127, 84771, 197799, 593397, 10634051, 31902153, 74438357, 95706459, 223315071, 669945213]

約数ペア:

[(1, 669945213), (3, 223315071), (7, 95706459), (9, 74438357), (21, 31902153), (63, 10634051), (1129, 593397), (3387, 197799), (7903, 84771), (9419, 71127), (10161, 65933), (23709, 28257)]