661784427

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{3467}}^1$

素因数の和:3767

約数の個数: 24

約数和(自身を含む): 969486336

約数和(自身を除く): 307701909

約数列:

[1, 3, 9, 127, 167, 381, 501, 1143, 1503, 3467, 10401, 21209, 31203, 63627, 190881, 440309, 578989, 1320927, 1736967, 3962781, 5210901, 73531603, 220594809, 661784427]

約数ペア:

[(1, 661784427), (3, 220594809), (9, 73531603), (127, 5210901), (167, 3962781), (381, 1736967), (501, 1320927), (1143, 578989), (1503, 440309), (3467, 190881), (10401, 63627), (21209, 31203)]