78648087

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 132969600

約数和(自身を除く): 54321513

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 203, 399, 551, 609, 931, 971, 1421, 1653, 2793, 2913, 3857, 4263, 6797, 11571, 18449, 20391, 26999, 28159, 47579, 55347, 80997, 84477, 129143, 142737, 197113, 387429, 535021, 591339, 904001, 1379791, 1605063, 2712003, 3745147, 4139373, 11235441, 26216029, 78648087]

約数ペア:

[(1, 78648087), (3, 26216029), (7, 11235441), (19, 4139373), (21, 3745147), (29, 2712003), (49, 1605063), (57, 1379791), (87, 904001), (133, 591339), (147, 535021), (203, 387429), (399, 197113), (551, 142737), (609, 129143), (931, 84477), (971, 80997), (1421, 55347), (1653, 47579), (2793, 28159), (2913, 26999), (3857, 20391), (4263, 18449), (6797, 11571)]