87801813

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{98543}}^1$

素因数の和:98566

約数の個数: 20

約数和(自身を含む): 143085888

約数和(自身を除く): 55284075

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 98543, 295629, 886887, 1083973, 2660661, 3251919, 7981983, 9755757, 29267271, 87801813]

約数ペア:

[(1, 87801813), (3, 29267271), (9, 9755757), (11, 7981983), (27, 3251919), (33, 2660661), (81, 1083973), (99, 886887), (297, 295629), (891, 98543)]