2270709

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 4031040

約数和(自身を除く): 1760331

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 271, 399, 441, 813, 931, 1197, 1897, 2439, 2793, 5149, 5691, 8379, 13279, 15447, 17073, 36043, 39837, 46341, 108129, 119511, 252301, 324387, 756903, 2270709]

約数ペア:

[(1, 2270709), (3, 756903), (7, 324387), (9, 252301), (19, 119511), (21, 108129), (49, 46341), (57, 39837), (63, 36043), (133, 17073), (147, 15447), (171, 13279), (271, 8379), (399, 5691), (441, 5149), (813, 2793), (931, 2439), (1197, 1897)]