1980807

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 2926080

約数和(自身を除く): 945273

約数列:

[1, 3, 19, 31, 57, 59, 93, 177, 361, 589, 1083, 1121, 1767, 1829, 3363, 5487, 11191, 21299, 33573, 34751, 63897, 104253, 660269, 1980807]

約数ペア:

[(1, 1980807), (3, 660269), (19, 104253), (31, 63897), (57, 34751), (59, 33573), (93, 21299), (177, 11191), (361, 5487), (589, 3363), (1083, 1829), (1121, 1767)]