171219987

素因数分解:

$3^5\times {\mathrm{479}}^1\times {\mathrm{1471}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 257187840

約数和(自身を除く): 85967853

約数列:

[1, 3, 9, 27, 81, 243, 479, 1437, 1471, 4311, 4413, 12933, 13239, 38799, 39717, 116397, 119151, 357453, 704609, 2113827, 6341481, 19024443, 57073329, 171219987]

約数ペア:

[(1, 171219987), (3, 57073329), (9, 19024443), (27, 6341481), (81, 2113827), (243, 704609), (479, 357453), (1437, 119151), (1471, 116397), (4311, 39717), (4413, 38799), (12933, 13239)]