2218242591

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{636877}}^1$

素因数の和:636932

約数の個数: 20

約数和(自身を含む): 3390738472

約数和(自身を除く): 1172495881

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 636877, 1910631, 5731893, 17195679, 27385711, 51587037, 82157133, 246471399, 739414197, 2218242591]

約数ペア:

[(1, 2218242591), (3, 739414197), (9, 246471399), (27, 82157133), (43, 51587037), (81, 27385711), (129, 17195679), (387, 5731893), (1161, 1910631), (3483, 636877)]