1247187891

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{1373}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 1762896960

約数和(自身を除く): 515709069

約数列:

[1, 3, 29, 53, 87, 159, 197, 591, 1373, 1537, 4119, 4611, 5713, 10441, 17139, 31323, 39817, 72769, 119451, 218307, 270481, 302789, 811443, 908367, 2110301, 6330903, 7843949, 14335493, 23531847, 43006479, 415729297, 1247187891]

約数ペア:

[(1, 1247187891), (3, 415729297), (29, 43006479), (53, 23531847), (87, 14335493), (159, 7843949), (197, 6330903), (591, 2110301), (1373, 908367), (1537, 811443), (4119, 302789), (4611, 270481), (5713, 218307), (10441, 119451), (17139, 72769), (31323, 39817)]