8440047

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 16024320

約数和(自身を除く): 7584273

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 641, 693, 1197, 1463, 1881, 1923, 4389, 4487, 5769, 7051, 12179, 13167, 13461, 21153, 36537, 40383, 49357, 63459, 85253, 109611, 133969, 148071, 255759, 401907, 444213, 767277, 937783, 1205721, 2813349, 8440047]

約数ペア:

[(1, 8440047), (3, 2813349), (7, 1205721), (9, 937783), (11, 767277), (19, 444213), (21, 401907), (33, 255759), (57, 148071), (63, 133969), (77, 109611), (99, 85253), (133, 63459), (171, 49357), (209, 40383), (231, 36537), (399, 21153), (627, 13461), (641, 13167), (693, 12179), (1197, 7051), (1463, 5769), (1881, 4487), (1923, 4389)]