2009421

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{3917}}^1$

素因数の和:3945

約数の個数: 16

約数和(自身を含む): 3134400

約数和(自身を除く): 1124979

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 3917, 11751, 35253, 74423, 105759, 223269, 669807, 2009421]

約数ペア:

[(1, 2009421), (3, 669807), (9, 223269), (19, 105759), (27, 74423), (57, 35253), (171, 11751), (513, 3917)]