128378421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18311}}^1$

素因数の和:18377

約数の個数: 24

約数和(自身を含む): 199967040

約数和(自身を除く): 71588619

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 7011, 18311, 54933, 164799, 347909, 750751, 1043727, 2252253, 3131181, 6756759, 14264269, 42792807, 128378421]

約数ペア:

[(1, 128378421), (3, 42792807), (9, 14264269), (19, 6756759), (41, 3131181), (57, 2252253), (123, 1043727), (171, 750751), (369, 347909), (779, 164799), (2337, 54933), (7011, 18311)]