78813621

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{41113}}^1$

素因数の和:41193

約数の個数: 16

約数和(自身を含む): 118408320

約数和(自身を除く): 39594699

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 41113, 123339, 370017, 1110051, 2919023, 8757069, 26271207, 78813621]

約数ペア:

[(1, 78813621), (3, 26271207), (9, 8757069), (27, 2919023), (71, 1110051), (213, 370017), (639, 123339), (1917, 41113)]