56415255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{289309}}^1$

素因数の和:289330

約数の個数: 16

約数和(自身を含む): 97208160

約数和(自身を除く): 40792905

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 289309, 867927, 1446545, 3761017, 4339635, 11283051, 18805085, 56415255]

約数ペア:

[(1, 56415255), (3, 18805085), (5, 11283051), (13, 4339635), (15, 3761017), (39, 1446545), (65, 867927), (195, 289309)]