78401385

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6997}}^1$

素因数の和:7094

約数の個数: 32

約数和(自身を含む): 141079680

約数和(自身を除く): 62678295

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 2241, 3735, 6997, 11205, 20991, 34985, 62973, 104955, 188919, 314865, 580751, 944595, 1742253, 2903755, 5226759, 8711265, 15680277, 26133795, 78401385]

約数ペア:

[(1, 78401385), (3, 26133795), (5, 15680277), (9, 8711265), (15, 5226759), (27, 2903755), (45, 1742253), (83, 944595), (135, 580751), (249, 314865), (415, 188919), (747, 104955), (1245, 62973), (2241, 34985), (3735, 20991), (6997, 11205)]