16538949

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 29527680

約数和(自身を除く): 12988731

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 337, 369, 399, 779, 861, 1011, 1197, 2337, 2359, 2583, 3033, 5453, 6403, 7011, 7077, 13817, 16359, 19209, 21231, 41451, 44821, 49077, 57627, 96719, 124353, 134463, 262523, 290157, 403389, 787569, 870471, 1837661, 2362707, 5512983, 16538949]

約数ペア:

[(1, 16538949), (3, 5512983), (7, 2362707), (9, 1837661), (19, 870471), (21, 787569), (41, 403389), (57, 290157), (63, 262523), (123, 134463), (133, 124353), (171, 96719), (287, 57627), (337, 49077), (369, 44821), (399, 41451), (779, 21231), (861, 19209), (1011, 16359), (1197, 13817), (2337, 7077), (2359, 7011), (2583, 6403), (3033, 5453)]