51405273

素因数分解:

$3^4\times {\mathrm{773}}^1\times {\mathrm{821}}^1$

素因数の和:1606

約数の個数: 20

約数和(自身を含む): 76983588

約数和(自身を除く): 25578315

約数列:

[1, 3, 9, 27, 81, 773, 821, 2319, 2463, 6957, 7389, 20871, 22167, 62613, 66501, 634633, 1903899, 5711697, 17135091, 51405273]

約数ペア:

[(1, 51405273), (3, 17135091), (9, 5711697), (27, 1903899), (81, 634633), (773, 66501), (821, 62613), (2319, 22167), (2463, 20871), (6957, 7389)]