7908138

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{20921}}^1$

素因数の和:20939

約数の個数: 32

約数和(自身を含む): 20085120

約数和(自身を除く): 12176982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 20921, 41842, 62763, 125526, 146447, 188289, 292894, 376578, 439341, 564867, 878682, 1129734, 1318023, 2636046, 3954069, 7908138]

約数ペア:

[(1, 7908138), (2, 3954069), (3, 2636046), (6, 1318023), (7, 1129734), (9, 878682), (14, 564867), (18, 439341), (21, 376578), (27, 292894), (42, 188289), (54, 146447), (63, 125526), (126, 62763), (189, 41842), (378, 20921)]