81308415

素因数分解:

$3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{27239}}^1$

素因数の和:27446

約数の個数: 16

約数和(自身を含む): 130752000

約数和(自身を除く): 49443585

約数列:

[1, 3, 5, 15, 199, 597, 995, 2985, 27239, 81717, 136195, 408585, 5420561, 16261683, 27102805, 81308415]

約数ペア:

[(1, 81308415), (3, 27102805), (5, 16261683), (15, 5420561), (199, 408585), (597, 136195), (995, 81717), (2985, 27239)]