1984367049

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{20809}}^1$

素因数の和:21077

約数の個数: 32

約数和(自身を含む): 3196416000

約数和(自身を除く): 1212048951

約数列:

[1, 3, 7, 19, 21, 57, 133, 239, 399, 717, 1673, 4541, 5019, 13623, 20809, 31787, 62427, 95361, 145663, 395371, 436989, 1186113, 2767597, 4973351, 8302791, 14920053, 34813457, 94493669, 104440371, 283481007, 661455683, 1984367049]

約数ペア:

[(1, 1984367049), (3, 661455683), (7, 283481007), (19, 104440371), (21, 94493669), (57, 34813457), (133, 14920053), (239, 8302791), (399, 4973351), (717, 2767597), (1673, 1186113), (4541, 436989), (5019, 395371), (13623, 145663), (20809, 95361), (31787, 62427)]