40542831

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1621}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 67137824

約数和(自身を除く): 26594993

約数列:

[1, 3, 7, 9, 21, 63, 397, 1191, 1621, 2779, 3573, 4863, 8337, 11347, 14589, 25011, 34041, 102123, 643537, 1930611, 4504759, 5791833, 13514277, 40542831]

約数ペア:

[(1, 40542831), (3, 13514277), (7, 5791833), (9, 4504759), (21, 1930611), (63, 643537), (397, 102123), (1191, 34041), (1621, 25011), (2779, 14589), (3573, 11347), (4863, 8337)]