161821854

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{21559}}^1$

素因数の和:21709

約数の個数: 32

約数和(自身を含む): 362208000

約数和(自身を除く): 200386146

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 3753, 7506, 21559, 43118, 64677, 129354, 194031, 388062, 582093, 1164186, 2996701, 5993402, 8990103, 17980206, 26970309, 53940618, 80910927, 161821854]

約数ペア:

[(1, 161821854), (2, 80910927), (3, 53940618), (6, 26970309), (9, 17980206), (18, 8990103), (27, 5993402), (54, 2996701), (139, 1164186), (278, 582093), (417, 388062), (834, 194031), (1251, 129354), (2502, 64677), (3753, 43118), (7506, 21559)]