215091723

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7001}}^1$

素因数の和:7048

約数の個数: 48

約数和(自身を含む): 383149440

約数和(自身を除く): 168057717

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 627, 931, 1463, 1617, 2793, 4389, 7001, 10241, 21003, 30723, 49007, 77011, 133019, 147021, 231033, 343049, 399057, 539077, 931133, 1029147, 1463209, 1617231, 2793399, 3773539, 4389627, 6517931, 10242463, 11320617, 19553793, 30727389, 71697241, 215091723]

約数ペア:

[(1, 215091723), (3, 71697241), (7, 30727389), (11, 19553793), (19, 11320617), (21, 10242463), (33, 6517931), (49, 4389627), (57, 3773539), (77, 2793399), (133, 1617231), (147, 1463209), (209, 1029147), (231, 931133), (399, 539077), (539, 399057), (627, 343049), (931, 231033), (1463, 147021), (1617, 133019), (2793, 77011), (4389, 49007), (7001, 30723), (10241, 21003)]