27996405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4271}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 49213440

約数和(自身を除く): 21217035

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 4271, 6555, 12813, 21355, 64065, 81149, 98233, 243447, 294699, 405745, 491165, 1217235, 1473495, 1866427, 5599281, 9332135, 27996405]

約数ペア:

[(1, 27996405), (3, 9332135), (5, 5599281), (15, 1866427), (19, 1473495), (23, 1217235), (57, 491165), (69, 405745), (95, 294699), (115, 243447), (285, 98233), (345, 81149), (437, 64065), (1311, 21355), (2185, 12813), (4271, 6555)]