81585297

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7121}}^1$

素因数の和:7213

約数の個数: 24

約数和(自身を含む): 125916960

約数和(自身を除く): 44331663

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 3819, 7121, 11457, 21363, 64089, 135299, 405897, 477107, 1217691, 1431321, 4293963, 9065033, 27195099, 81585297]

約数ペア:

[(1, 81585297), (3, 27195099), (9, 9065033), (19, 4293963), (57, 1431321), (67, 1217691), (171, 477107), (201, 405897), (603, 135299), (1273, 64089), (3819, 21363), (7121, 11457)]