2011131

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 18

約数和(自身を含む): 3070860

約数和(自身を除く): 1059729

約数列:

[1, 3, 9, 19, 57, 171, 361, 619, 1083, 1857, 3249, 5571, 11761, 35283, 105849, 223459, 670377, 2011131]

約数ペア:

[(1, 2011131), (3, 670377), (9, 223459), (19, 105849), (57, 35283), (171, 11761), (361, 5571), (619, 3249), (1083, 1857)]