161899689

素因数分解:

$3^1\times 7^1\times {\mathrm{1289}}^1\times {\mathrm{5981}}^1$

素因数の和:7280

約数の個数: 16

約数和(自身を含む): 246936960

約数和(自身を除く): 85037271

約数列:

[1, 3, 7, 21, 1289, 3867, 5981, 9023, 17943, 27069, 41867, 125601, 7709509, 23128527, 53966563, 161899689]

約数ペア:

[(1, 161899689), (3, 53966563), (7, 23128527), (21, 7709509), (1289, 125601), (3867, 41867), (5981, 27069), (9023, 17943)]