31689081

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 46868640

約数和(自身を除く): 15179559

約数列:

[1, 3, 9, 73, 139, 219, 347, 417, 657, 1041, 1251, 3123, 10147, 25331, 30441, 48233, 75993, 91323, 144699, 227979, 434097, 3521009, 10563027, 31689081]

約数ペア:

[(1, 31689081), (3, 10563027), (9, 3521009), (73, 434097), (139, 227979), (219, 144699), (347, 91323), (417, 75993), (657, 48233), (1041, 30441), (1251, 25331), (3123, 10147)]