2220777777

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{425681}}^1$

素因数の和:425768

約数の個数: 16

約数和(自身を含む): 3105775872

約数和(自身を除く): 884998095

約数列:

[1, 3, 37, 47, 111, 141, 1739, 5217, 425681, 1277043, 15750197, 20007007, 47250591, 60021021, 740259259, 2220777777]

約数ペア:

[(1, 2220777777), (3, 740259259), (37, 60021021), (47, 47250591), (111, 20007007), (141, 15750197), (1739, 1277043), (5217, 425681)]