280178109

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{32327}}^1$

素因数の和:32446

約数の個数: 20

約数和(自身を含む): 422462304

約数和(自身を除く): 142284195

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 32327, 96981, 290943, 872829, 2618487, 3458989, 10376967, 31130901, 93392703, 280178109]

約数ペア:

[(1, 280178109), (3, 93392703), (9, 31130901), (27, 10376967), (81, 3458989), (107, 2618487), (321, 872829), (963, 290943), (2889, 96981), (8667, 32327)]