42887439

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4969}}^1$

素因数の和:5119

約数の個数: 24

約数和(自身を含む): 71329440

約数和(自身を除く): 28442001

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 4969, 8631, 14907, 34783, 44721, 104349, 313047, 680753, 2042259, 4765271, 6126777, 14295813, 42887439]

約数ペア:

[(1, 42887439), (3, 14295813), (7, 6126777), (9, 4765271), (21, 2042259), (63, 680753), (137, 313047), (411, 104349), (959, 44721), (1233, 34783), (2877, 14907), (4969, 8631)]