2156821347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{620311}}^1$

素因数の和:620394

約数の個数: 16

約数和(自身を含む): 3076747520

約数和(自身を除く): 919926173

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 620311, 1860933, 11785909, 35357727, 37838971, 113516913, 718940449, 2156821347]

約数ペア:

[(1, 2156821347), (3, 718940449), (19, 113516913), (57, 37838971), (61, 35357727), (183, 11785909), (1159, 1860933), (3477, 620311)]