81105066

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{643691}}^1$

素因数の和:643706

約数の個数: 24

約数和(自身を含む): 200831904

約数和(自身を除く): 119726838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 643691, 1287382, 1931073, 3862146, 4505837, 5793219, 9011674, 11586438, 13517511, 27035022, 40552533, 81105066]

約数ペア:

[(1, 81105066), (2, 40552533), (3, 27035022), (6, 13517511), (7, 11586438), (9, 9011674), (14, 5793219), (18, 4505837), (21, 3862146), (42, 1931073), (63, 1287382), (126, 643691)]