881415393

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 1223479296

約数和(自身を除く): 342063903

約数列:

[1, 3, 47, 103, 137, 141, 309, 411, 443, 1329, 4841, 6439, 14111, 14523, 19317, 20821, 42333, 45629, 60691, 62463, 136887, 182073, 663217, 1989651, 2144563, 2852477, 6251173, 6433689, 8557431, 18753519, 293805131, 881415393]

約数ペア:

[(1, 881415393), (3, 293805131), (47, 18753519), (103, 8557431), (137, 6433689), (141, 6251173), (309, 2852477), (411, 2144563), (443, 1989651), (1329, 663217), (4841, 182073), (6439, 136887), (14111, 62463), (14523, 60691), (19317, 45629), (20821, 42333)]