28428813

素因数分解:

$3^8\times 7^1\times {\mathrm{619}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 48811360

約数和(自身を除く): 20382547

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 619, 729, 1701, 1857, 2187, 4333, 5103, 5571, 6561, 12999, 15309, 16713, 38997, 45927, 50139, 116991, 150417, 350973, 451251, 1052919, 1353753, 3158757, 4061259, 9476271, 28428813]

約数ペア:

[(1, 28428813), (3, 9476271), (7, 4061259), (9, 3158757), (21, 1353753), (27, 1052919), (63, 451251), (81, 350973), (189, 150417), (243, 116991), (567, 50139), (619, 45927), (729, 38997), (1701, 16713), (1857, 15309), (2187, 12999), (4333, 6561), (5103, 5571)]