550719

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:548

約数の個数: 20

約数和(自身を含む): 887656

約数和(自身を除く): 336937

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 523, 1053, 1569, 4707, 6799, 14121, 20397, 42363, 61191, 183573, 550719]

約数ペア:

[(1, 550719), (3, 183573), (9, 61191), (13, 42363), (27, 20397), (39, 14121), (81, 6799), (117, 4707), (351, 1569), (523, 1053)]