64831221

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79159}}^1$

素因数の和:79185

約数の個数: 24

約数和(自身を含む): 115256960

約数和(自身を除く): 50425739

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 79159, 237477, 554113, 712431, 1029067, 1662339, 3087201, 4987017, 7203469, 9261603, 21610407, 64831221]

約数ペア:

[(1, 64831221), (3, 21610407), (7, 9261603), (9, 7203469), (13, 4987017), (21, 3087201), (39, 1662339), (63, 1029067), (91, 712431), (117, 554113), (273, 237477), (819, 79159)]