128565873

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{38713}}^1$

素因数の和:38766

約数の個数: 20

約数和(自身を含む): 196744548

約数和(自身を除く): 68178675

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 38713, 116139, 348417, 1045251, 1587233, 3135753, 4761699, 14285097, 42855291, 128565873]

約数ペア:

[(1, 128565873), (3, 42855291), (9, 14285097), (27, 4761699), (41, 3135753), (81, 1587233), (123, 1045251), (369, 348417), (1107, 116139), (3321, 38713)]