2019786027

素因数分解:

$3^1\times 7^4\times {\mathrm{280409}}^1$

素因数の和:280440

約数の個数: 20

約数和(自身を含む): 3141713640

約数和(自身を除く): 1121927613

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 280409, 841227, 1962863, 5888589, 13740041, 41220123, 96180287, 288540861, 673262009, 2019786027]

約数ペア:

[(1, 2019786027), (3, 673262009), (7, 288540861), (21, 96180287), (49, 41220123), (147, 13740041), (343, 5888589), (1029, 1962863), (2401, 841227), (7203, 280409)]