72389187

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{206237}}^1$

素因数の和:206259

約数の個数: 16

約数和(自身を含む): 115493280

約数和(自身を除く): 43104093

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 206237, 618711, 1856133, 2681081, 5568399, 8043243, 24129729, 72389187]

約数ペア:

[(1, 72389187), (3, 24129729), (9, 8043243), (13, 5568399), (27, 2681081), (39, 1856133), (117, 618711), (351, 206237)]