15266209

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 18201600

約数和(自身を除く): 2935391

約数列:

[1, 7, 29, 157, 203, 479, 1099, 3353, 4553, 13891, 31871, 75203, 97237, 526421, 2180887, 15266209]

約数ペア:

[(1, 15266209), (7, 2180887), (29, 526421), (157, 97237), (203, 75203), (479, 31871), (1099, 13891), (3353, 4553)]