81222399

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{69959}}^1$

素因数の和:70011

約数の個数: 16

約数和(自身を含む): 123129600

約数和(自身を除く): 41907201

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 69959, 209877, 629631, 1888893, 3008237, 9024711, 27074133, 81222399]

約数ペア:

[(1, 81222399), (3, 27074133), (9, 9024711), (27, 3008237), (43, 1888893), (129, 629631), (387, 209877), (1161, 69959)]