64481961

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 87091200

約数和(自身を除く): 22609239

約数列:

[1, 3, 139, 239, 417, 647, 717, 1941, 33221, 89933, 99663, 154633, 269799, 463899, 21493987, 64481961]

約数ペア:

[(1, 64481961), (3, 21493987), (139, 463899), (239, 269799), (417, 154633), (647, 99663), (717, 89933), (1941, 33221)]