15405993

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 22857120

約数和(自身を除く): 7451127

約数列:

[1, 3, 9, 73, 131, 179, 219, 393, 537, 657, 1179, 1611, 9563, 13067, 23449, 28689, 39201, 70347, 86067, 117603, 211041, 1711777, 5135331, 15405993]

約数ペア:

[(1, 15405993), (3, 5135331), (9, 1711777), (73, 211041), (131, 117603), (179, 86067), (219, 70347), (393, 39201), (537, 28689), (657, 23449), (1179, 13067), (1611, 9563)]