87564969

素因数分解:

$3^4\times {\mathrm{727}}^1\times {\mathrm{1487}}^1$

素因数の和:2226

約数の個数: 20

約数和(自身を含む): 131074944

約数和(自身を除く): 43509975

約数列:

[1, 3, 9, 27, 81, 727, 1487, 2181, 4461, 6543, 13383, 19629, 40149, 58887, 120447, 1081049, 3243147, 9729441, 29188323, 87564969]

約数ペア:

[(1, 87564969), (3, 29188323), (9, 9729441), (27, 3243147), (81, 1081049), (727, 120447), (1487, 58887), (2181, 40149), (4461, 19629), (6543, 13383)]