11811891

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 19801600

約数和(自身を除く): 7989709

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 883, 1029, 1911, 2649, 4459, 6181, 11479, 13377, 18543, 34437, 43267, 80353, 129801, 241059, 302869, 562471, 908607, 1687413, 3937297, 11811891]

約数ペア:

[(1, 11811891), (3, 3937297), (7, 1687413), (13, 908607), (21, 562471), (39, 302869), (49, 241059), (91, 129801), (147, 80353), (273, 43267), (343, 34437), (637, 18543), (883, 13377), (1029, 11479), (1911, 6181), (2649, 4459)]