678996981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{200117}}^1$

素因数の和:200165

約数の個数: 24

約数和(自身を含む): 1092644280

約数和(自身を除く): 413647299

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 200117, 600351, 1801053, 2601521, 5803393, 7804563, 17410179, 23413689, 52230537, 75444109, 226332327, 678996981]

約数ペア:

[(1, 678996981), (3, 226332327), (9, 75444109), (13, 52230537), (29, 23413689), (39, 17410179), (87, 7804563), (117, 5803393), (261, 2601521), (377, 1801053), (1131, 600351), (3393, 200117)]