28385667

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 43430400

約数和(自身を除く): 15044733

約数列:

[1, 3, 9, 27, 59, 103, 173, 177, 309, 519, 531, 927, 1557, 1593, 2781, 4671, 6077, 10207, 17819, 18231, 30621, 53457, 54693, 91863, 160371, 164079, 275589, 481113, 1051321, 3153963, 9461889, 28385667]

約数ペア:

[(1, 28385667), (3, 9461889), (9, 3153963), (27, 1051321), (59, 481113), (103, 275589), (173, 164079), (177, 160371), (309, 91863), (519, 54693), (531, 53457), (927, 30621), (1557, 18231), (1593, 17819), (2781, 10207), (4671, 6077)]