20131489119

素因数分解:

$3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{787}}^1\times {\mathrm{2543}}^1$

素因数の和:3819

約数の個数: 32

約数和(自身を含む): 30791761920

約数和(自身を除く): 10660272801

約数列:

[1, 3, 7, 21, 479, 787, 1437, 2361, 2543, 3353, 5509, 7629, 10059, 16527, 17801, 53403, 376973, 1130919, 1218097, 2001341, 2638811, 3654291, 6004023, 7916433, 8526679, 14009387, 25580037, 42028161, 958642339, 2875927017, 6710496373, 20131489119]

約数ペア:

[(1, 20131489119), (3, 6710496373), (7, 2875927017), (21, 958642339), (479, 42028161), (787, 25580037), (1437, 14009387), (2361, 8526679), (2543, 7916433), (3353, 6004023), (5509, 3654291), (7629, 2638811), (10059, 2001341), (16527, 1218097), (17801, 1130919), (53403, 376973)]