1981016739

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{133321}}^1$

素因数の和:133467

約数の個数: 24

約数和(自身を含む): 3105869312

約数和(自身を除く): 1124852573

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1651, 4953, 14859, 133321, 399963, 1199889, 1733173, 5199519, 15598557, 16931767, 50795301, 152385903, 220112971, 660338913, 1981016739]

約数ペア:

[(1, 1981016739), (3, 660338913), (9, 220112971), (13, 152385903), (39, 50795301), (117, 16931767), (127, 15598557), (381, 5199519), (1143, 1733173), (1651, 1199889), (4953, 399963), (14859, 133321)]