81496521

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{23159}}^1$

素因数の和:23205

約数の個数: 24

約数和(自身を含む): 130066560

約数和(自身を除く): 48570039

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 23159, 69477, 208431, 393703, 532657, 1181109, 1597971, 3543327, 4793913, 9055169, 27165507, 81496521]

約数ペア:

[(1, 81496521), (3, 27165507), (9, 9055169), (17, 4793913), (23, 3543327), (51, 1597971), (69, 1181109), (153, 532657), (207, 393703), (391, 208431), (1173, 69477), (3519, 23159)]