28684773

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{27241}}^1$

素因数の和:27266

約数の個数: 20

約数和(自身を含む): 46147948

約数和(自身を除く): 17463175

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 27241, 81723, 245169, 354133, 735507, 1062399, 2206521, 3187197, 9561591, 28684773]

約数ペア:

[(1, 28684773), (3, 9561591), (9, 3187197), (13, 2206521), (27, 1062399), (39, 735507), (81, 354133), (117, 245169), (351, 81723), (1053, 27241)]