1289276781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{623743}}^1$

素因数の和:623812

約数の個数: 16

約数和(自身を含む): 1886201856

約数和(自身を除く): 596925075

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 623743, 1871229, 8108659, 24325977, 33058379, 99175137, 429758927, 1289276781]

約数ペア:

[(1, 1289276781), (3, 429758927), (13, 99175137), (39, 33058379), (53, 24325977), (159, 8108659), (689, 1871229), (2067, 623743)]