18080517

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 30005248

約数和(自身を除く): 11924731

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 643, 721, 1339, 1929, 2163, 4017, 4501, 8359, 9373, 13503, 25077, 28119, 58513, 66229, 175539, 198687, 463603, 860977, 1390809, 2582931, 6026839, 18080517]

約数ペア:

[(1, 18080517), (3, 6026839), (7, 2582931), (13, 1390809), (21, 860977), (39, 463603), (91, 198687), (103, 175539), (273, 66229), (309, 58513), (643, 28119), (721, 25077), (1339, 13503), (1929, 9373), (2163, 8359), (4017, 4501)]