81480657

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 115568640

約数和(自身を除く): 34087983

約数列:

[1, 3, 43, 47, 89, 129, 141, 151, 267, 453, 2021, 3827, 4183, 6063, 6493, 7097, 11481, 12549, 13439, 19479, 21291, 40317, 179869, 305171, 539607, 577877, 631633, 915513, 1733631, 1894899, 27160219, 81480657]

約数ペア:

[(1, 81480657), (3, 27160219), (43, 1894899), (47, 1733631), (89, 915513), (129, 631633), (141, 577877), (151, 539607), (267, 305171), (453, 179869), (2021, 40317), (3827, 21291), (4183, 19479), (6063, 13439), (6493, 12549), (7097, 11481)]