2542994979

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6373421}}^1$

素因数の和:6373450

約数の個数: 16

約数和(自身を含む): 4078990080

約数和(自身を除く): 1535995101

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6373421, 19120263, 44613947, 121094999, 133841841, 363284997, 847664993, 2542994979]

約数ペア:

[(1, 2542994979), (3, 847664993), (7, 363284997), (19, 133841841), (21, 121094999), (57, 44613947), (133, 19120263), (399, 6373421)]