28971777

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1237}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 39893312

約数和(自身を除く): 10921535

約数列:

[1, 3, 37, 111, 211, 633, 1237, 3711, 7807, 23421, 45769, 137307, 261007, 783021, 9657259, 28971777]

約数ペア:

[(1, 28971777), (3, 9657259), (37, 783021), (111, 261007), (211, 137307), (633, 45769), (1237, 23421), (3711, 7807)]