4894989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 7733760

約数和(自身を除く): 2838771

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 211, 407, 627, 633, 703, 1221, 2109, 2321, 4009, 6963, 7733, 7807, 12027, 23199, 23421, 44099, 85877, 132297, 148333, 257631, 444999, 1631663, 4894989]

約数ペア:

[(1, 4894989), (3, 1631663), (11, 444999), (19, 257631), (33, 148333), (37, 132297), (57, 85877), (111, 44099), (209, 23421), (211, 23199), (407, 12027), (627, 7807), (633, 7733), (703, 6963), (1221, 4009), (2109, 2321)]