28416987

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{11317}}^1$

素因数の和:11360

約数の個数: 20

約数和(自身を含む): 43823296

約数和(自身を除く): 15406309

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 11317, 33951, 101853, 305559, 350827, 916677, 1052481, 3157443, 9472329, 28416987]

約数ペア:

[(1, 28416987), (3, 9472329), (9, 3157443), (27, 1052481), (31, 916677), (81, 350827), (93, 305559), (279, 101853), (837, 33951), (2511, 11317)]