1227231

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 20

約数和(自身を含む): 1863400

約数和(自身を除く): 636169

約数列:

[1, 3, 9, 27, 81, 109, 139, 327, 417, 981, 1251, 2943, 3753, 8829, 11259, 15151, 45453, 136359, 409077, 1227231]

約数ペア:

[(1, 1227231), (3, 409077), (9, 136359), (27, 45453), (81, 15151), (109, 11259), (139, 8829), (327, 3753), (417, 2943), (981, 1251)]