1687991187

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 2339932672

約数和(自身を除く): 651941485

約数列:

[1, 3, 43, 97, 129, 277, 291, 487, 831, 1461, 4171, 11911, 12513, 20941, 26869, 35733, 47239, 62823, 80607, 134899, 141717, 404697, 1155367, 2031277, 3466101, 5800657, 6093831, 13085203, 17401971, 39255609, 562663729, 1687991187]

約数ペア:

[(1, 1687991187), (3, 562663729), (43, 39255609), (97, 17401971), (129, 13085203), (277, 6093831), (291, 5800657), (487, 3466101), (831, 2031277), (1461, 1155367), (4171, 404697), (11911, 141717), (12513, 134899), (20941, 80607), (26869, 62823), (35733, 47239)]