81545157

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{70237}}^1$

素因数の和:70289

約数の個数: 16

約数和(自身を含む): 123618880

約数和(自身を除く): 42073723

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 70237, 210711, 632133, 1896399, 3020191, 9060573, 27181719, 81545157]

約数ペア:

[(1, 81545157), (3, 27181719), (9, 9060573), (27, 3020191), (43, 1896399), (129, 632133), (387, 210711), (1161, 70237)]