557461521

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{68141}}^1$

素因数の和:68254

約数の個数: 20

約数和(自身を含む): 841008564

約数和(自身を除く): 283547043

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 68141, 204423, 613269, 1839807, 5519421, 6882241, 20646723, 61940169, 185820507, 557461521]

約数ペア:

[(1, 557461521), (3, 185820507), (9, 61940169), (27, 20646723), (81, 6882241), (101, 5519421), (303, 1839807), (909, 613269), (2727, 204423), (8181, 68141)]