68647581

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{49853}}^1$

素因数の和:49882

約数の個数: 20

約数和(自身を含む): 108582012

約数和(自身を除く): 39934431

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 49853, 149559, 448677, 847501, 1346031, 2542503, 4038093, 7627509, 22882527, 68647581]

約数ペア:

[(1, 68647581), (3, 22882527), (9, 7627509), (17, 4038093), (27, 2542503), (51, 1346031), (81, 847501), (153, 448677), (459, 149559), (1377, 49853)]