2881227

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 4000032

約数和(自身を除く): 1118805

約数列:

[1, 3, 37, 101, 111, 257, 303, 771, 3737, 9509, 11211, 25957, 28527, 77871, 960409, 2881227]

約数ペア:

[(1, 2881227), (3, 960409), (37, 77871), (101, 28527), (111, 25957), (257, 11211), (303, 9509), (771, 3737)]