281221419

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53171}}^1$

素因数の和:53258

約数の個数: 16

約数和(自身を含む): 393047424

約数和(自身を除く): 111826005

約数列:

[1, 3, 41, 43, 123, 129, 1763, 5289, 53171, 159513, 2180011, 2286353, 6540033, 6859059, 93740473, 281221419]

約数ペア:

[(1, 281221419), (3, 93740473), (41, 6859059), (43, 6540033), (123, 2286353), (129, 2180011), (1763, 159513), (5289, 53171)]