81907785

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107069}}^1$

素因数の和:107097

約数の個数: 24

約数和(自身を含む): 150326280

約数和(自身を除く): 68418495

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 107069, 321207, 535345, 963621, 1606035, 1820173, 4818105, 5460519, 9100865, 16381557, 27302595, 81907785]

約数ペア:

[(1, 81907785), (3, 27302595), (5, 16381557), (9, 9100865), (15, 5460519), (17, 4818105), (45, 1820173), (51, 1606035), (85, 963621), (153, 535345), (255, 321207), (765, 107069)]