427291281

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{142573}}^1$

素因数の和:142622

約数の個数: 20

約数和(自身を含む): 655555252

約数和(自身を除く): 228263971

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 142573, 427719, 1283157, 3849471, 5275201, 11548413, 15825603, 47476809, 142430427, 427291281]

約数ペア:

[(1, 427291281), (3, 142430427), (9, 47476809), (27, 15825603), (37, 11548413), (81, 5275201), (111, 3849471), (333, 1283157), (999, 427719), (2997, 142573)]