15705868689

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1305233}}^1$

素因数の和:1305437

約数の個数: 24

約数和(自身を含む): 26062912512

約数和(自身を除く): 10357043823

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 4011, 12033, 1305233, 3915699, 9136631, 11747097, 27409893, 82229679, 249299503, 747898509, 1745096521, 2243695527, 5235289563, 15705868689]

約数ペア:

[(1, 15705868689), (3, 5235289563), (7, 2243695527), (9, 1745096521), (21, 747898509), (63, 249299503), (191, 82229679), (573, 27409893), (1337, 11747097), (1719, 9136631), (4011, 3915699), (12033, 1305233)]