28398699

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5431}}^1$

素因数の和:5527

約数の個数: 24

約数和(自身を含む): 47453952

約数和(自身を除く): 19055253

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 5431, 16293, 38017, 48879, 114051, 342153, 450773, 1352319, 3155411, 4056957, 9466233, 28398699]

約数ペア:

[(1, 28398699), (3, 9466233), (7, 4056957), (9, 3155411), (21, 1352319), (63, 450773), (83, 342153), (249, 114051), (581, 48879), (747, 38017), (1743, 16293), (5229, 5431)]