399906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1730

約数の個数: 24

約数和(自身を含む): 933660

約数和(自身を除く): 533754

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1709, 3418, 5127, 10254, 15381, 22217, 30762, 44434, 66651, 133302, 199953, 399906]

約数ペア:

[(1, 399906), (2, 199953), (3, 133302), (6, 66651), (9, 44434), (13, 30762), (18, 22217), (26, 15381), (39, 10254), (78, 5127), (117, 3418), (234, 1709)]