20145707181

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{983}}^1\times {\mathrm{3853}}^1$

素因数の和:5042

約数の個数: 32

約数和(自身を含む): 30035301120

約数和(自身を除く): 9889593939

約数列:

[1, 3, 9, 27, 197, 591, 983, 1773, 2949, 3853, 5319, 8847, 11559, 26541, 34677, 104031, 193651, 580953, 759041, 1742859, 2277123, 3787499, 5228577, 6831369, 11362497, 20494107, 34087491, 102262473, 746137303, 2238411909, 6715235727, 20145707181]

約数ペア:

[(1, 20145707181), (3, 6715235727), (9, 2238411909), (27, 746137303), (197, 102262473), (591, 34087491), (983, 20494107), (1773, 11362497), (2949, 6831369), (3853, 5228577), (5319, 3787499), (8847, 2277123), (11559, 1742859), (26541, 759041), (34677, 580953), (104031, 193651)]