80421894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{638269}}^1$

素因数の和:638284

約数の個数: 24

約数和(自身を含む): 199140240

約数和(自身を除く): 118718346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 638269, 1276538, 1914807, 3829614, 4467883, 5744421, 8935766, 11488842, 13403649, 26807298, 40210947, 80421894]

約数ペア:

[(1, 80421894), (2, 40210947), (3, 26807298), (6, 13403649), (7, 11488842), (9, 8935766), (14, 5744421), (18, 4467883), (21, 3829614), (42, 1914807), (63, 1276538), (126, 638269)]