28061319

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 16290681

約数列:

[1, 3, 11, 13, 33, 39, 143, 149, 429, 439, 447, 1317, 1639, 1937, 4829, 4917, 5707, 5811, 14487, 17121, 21307, 62777, 63921, 65411, 188331, 196233, 719521, 850343, 2158563, 2551029, 9353773, 28061319]

約数ペア:

[(1, 28061319), (3, 9353773), (11, 2551029), (13, 2158563), (33, 850343), (39, 719521), (143, 196233), (149, 188331), (429, 65411), (439, 63921), (447, 62777), (1317, 21307), (1639, 17121), (1937, 14487), (4829, 5811), (4917, 5707)]