28140129

素因数分解:

$3^8\times {\mathrm{4289}}^1$

素因数の和:4313

約数の個数: 18

約数和(自身を含む): 42217890

約数和(自身を除く): 14077761

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 4289, 6561, 12867, 38601, 115803, 347409, 1042227, 3126681, 9380043, 28140129]

約数ペア:

[(1, 28140129), (3, 9380043), (9, 3126681), (27, 1042227), (81, 347409), (243, 115803), (729, 38601), (2187, 12867), (4289, 6561)]