28460367

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5657}}^1$

素因数の和:5719

約数の個数: 24

約数和(自身を含む): 45309264

約数和(自身を除く): 16848897

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 5657, 16971, 50913, 73541, 220623, 243251, 661869, 729753, 2189259, 3162263, 9486789, 28460367]

約数ペア:

[(1, 28460367), (3, 9486789), (9, 3162263), (13, 2189259), (39, 729753), (43, 661869), (117, 243251), (129, 220623), (387, 73541), (559, 50913), (1677, 16971), (5031, 5657)]