820743

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 1532160

約数和(自身を除く): 711417

約数列:

[1, 3, 7, 11, 17, 19, 21, 33, 51, 57, 77, 119, 121, 133, 187, 209, 231, 323, 357, 363, 399, 561, 627, 847, 969, 1309, 1463, 2057, 2261, 2299, 2541, 3553, 3927, 4389, 6171, 6783, 6897, 10659, 14399, 16093, 24871, 39083, 43197, 48279, 74613, 117249, 273581, 820743]

約数ペア:

[(1, 820743), (3, 273581), (7, 117249), (11, 74613), (17, 48279), (19, 43197), (21, 39083), (33, 24871), (51, 16093), (57, 14399), (77, 10659), (119, 6897), (121, 6783), (133, 6171), (187, 4389), (209, 3927), (231, 3553), (323, 2541), (357, 2299), (363, 2261), (399, 2057), (561, 1463), (627, 1309), (847, 969)]