1640952945

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{181421}}^1$

素因数の和:181502

約数の個数: 32

約数和(自身を含む): 2960807040

約数和(自身を除く): 1319854095

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 3015, 9045, 181421, 544263, 907105, 1632789, 2721315, 4898367, 8163945, 12155207, 24491835, 36465621, 60776035, 109396863, 182328105, 328190589, 546984315, 1640952945]

約数ペア:

[(1, 1640952945), (3, 546984315), (5, 328190589), (9, 182328105), (15, 109396863), (27, 60776035), (45, 36465621), (67, 24491835), (135, 12155207), (201, 8163945), (335, 4898367), (603, 2721315), (1005, 1632789), (1809, 907105), (3015, 544263), (9045, 181421)]