4020621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1669}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 5931840

約数和(自身を除く): 1911219

約数列:

[1, 3, 11, 33, 73, 219, 803, 1669, 2409, 5007, 18359, 55077, 121837, 365511, 1340207, 4020621]

約数ペア:

[(1, 4020621), (3, 1340207), (11, 365511), (33, 121837), (73, 55077), (219, 18359), (803, 5007), (1669, 2409)]