128403555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{3907}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 235605504

約数和(自身を除く): 107201949

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 313, 939, 1565, 2191, 3907, 4695, 6573, 10955, 11721, 19535, 27349, 32865, 58605, 82047, 136745, 410235, 1222891, 3668673, 6114455, 8560237, 18343365, 25680711, 42801185, 128403555]

約数ペア:

[(1, 128403555), (3, 42801185), (5, 25680711), (7, 18343365), (15, 8560237), (21, 6114455), (35, 3668673), (105, 1222891), (313, 410235), (939, 136745), (1565, 82047), (2191, 58605), (3907, 32865), (4695, 27349), (6573, 19535), (10955, 11721)]