15787203

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 22693440

約数和(自身を除く): 6906237

約数列:

[1, 3, 17, 51, 131, 139, 289, 393, 417, 867, 2227, 2363, 6681, 7089, 18209, 37859, 40171, 54627, 113577, 120513, 309553, 928659, 5262401, 15787203]

約数ペア:

[(1, 15787203), (3, 5262401), (17, 928659), (51, 309553), (131, 120513), (139, 113577), (289, 54627), (393, 40171), (417, 37859), (867, 18209), (2227, 7089), (2363, 6681)]