81691146

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79621}}^1$

素因数の和:79651

約数の個数: 32

約数和(自身を含む): 191092800

約数和(自身を除く): 109401654

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 79621, 159242, 238863, 477726, 716589, 1433178, 1512799, 2149767, 3025598, 4299534, 4538397, 9076794, 13615191, 27230382, 40845573, 81691146]

約数ペア:

[(1, 81691146), (2, 40845573), (3, 27230382), (6, 13615191), (9, 9076794), (18, 4538397), (19, 4299534), (27, 3025598), (38, 2149767), (54, 1512799), (57, 1433178), (114, 716589), (171, 477726), (342, 238863), (513, 159242), (1026, 79621)]