2178719949

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{321203}}^1$

素因数の和:321249

約数の個数: 32

約数和(自身を含む): 3700270080

約数和(自身を除く): 1521550131

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 321203, 963609, 2248421, 5460451, 6102857, 6745263, 16381353, 18308571, 38223157, 42719999, 103748569, 114669471, 128159997, 311245707, 726239983, 2178719949]

約数ペア:

[(1, 2178719949), (3, 726239983), (7, 311245707), (17, 128159997), (19, 114669471), (21, 103748569), (51, 42719999), (57, 38223157), (119, 18308571), (133, 16381353), (323, 6745263), (357, 6102857), (399, 5460451), (969, 2248421), (2261, 963609), (6783, 321203)]