2201991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1259}}^1$

素因数の和:1326

約数の個数: 16

約数和(自身を含む): 3265920

約数和(自身を除く): 1063929

約数列:

[1, 3, 11, 33, 53, 159, 583, 1259, 1749, 3777, 13849, 41547, 66727, 200181, 733997, 2201991]

約数ペア:

[(1, 2201991), (3, 733997), (11, 200181), (33, 66727), (53, 41547), (159, 13849), (583, 3777), (1259, 1749)]