28684677

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{10427}}^1$

素因数の和:10568

約数の個数: 16

約数和(自身を含む): 44047872

約数和(自身を除く): 15363195

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 10427, 31281, 72989, 218967, 1365937, 4097811, 9561559, 28684677]

約数ペア:

[(1, 28684677), (3, 9561559), (7, 4097811), (21, 1365937), (131, 218967), (393, 72989), (917, 31281), (2751, 10427)]