2109142719

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{554017}}^1$

素因数の和:554076

約数の個数: 20

約数和(自身を含む): 3217736544

約数和(自身を除く): 1108593825

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 554017, 1662051, 4986153, 14958459, 26038799, 44875377, 78116397, 234349191, 703047573, 2109142719]

約数ペア:

[(1, 2109142719), (3, 703047573), (9, 234349191), (27, 78116397), (47, 44875377), (81, 26038799), (141, 14958459), (423, 4986153), (1269, 1662051), (3807, 554017)]