28414881

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31891}}^1$

素因数の和:31914

約数の個数: 20

約数和(自身を含む): 46307184

約数和(自身を除く): 17892303

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 31891, 95673, 287019, 350801, 861057, 1052403, 2583171, 3157209, 9471627, 28414881]

約数ペア:

[(1, 28414881), (3, 9471627), (9, 3157209), (11, 2583171), (27, 1052403), (33, 861057), (81, 350801), (99, 287019), (297, 95673), (891, 31891)]