28366929

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{5227}}^1$

素因数の和:5306

約数の個数: 20

約数和(自身を含む): 43015984

約数和(自身を除く): 14649055

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5227, 5427, 15681, 47043, 141129, 350209, 423387, 1050627, 3151881, 9455643, 28366929]

約数ペア:

[(1, 28366929), (3, 9455643), (9, 3151881), (27, 1050627), (67, 423387), (81, 350209), (201, 141129), (603, 47043), (1809, 15681), (5227, 5427)]