81155835

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41941}}^1$

素因数の和:41995

約数の個数: 24

約数和(自身を含む): 143944944

約数和(自身を除く): 62789109

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 41941, 125823, 209705, 377469, 629115, 1803463, 1887345, 5410389, 9017315, 16231167, 27051945, 81155835]

約数ペア:

[(1, 81155835), (3, 27051945), (5, 16231167), (9, 9017315), (15, 5410389), (43, 1887345), (45, 1803463), (129, 629115), (215, 377469), (387, 209705), (645, 125823), (1935, 41941)]