64912911

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4397}}^1$

素因数の和:4463

約数の個数: 32

約数和(自身を含む): 106959360

約数和(自身を除く): 42046449

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4397, 4921, 13191, 14763, 30779, 83543, 92337, 162689, 250629, 488067, 584801, 1138823, 1754403, 3091091, 3416469, 9273273, 21637637, 64912911]

約数ペア:

[(1, 64912911), (3, 21637637), (7, 9273273), (19, 3416469), (21, 3091091), (37, 1754403), (57, 1138823), (111, 584801), (133, 488067), (259, 250629), (399, 162689), (703, 92337), (777, 83543), (2109, 30779), (4397, 14763), (4921, 13191)]