16620363

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 25681920

約数和(自身を除く): 9061557

約数列:

[1, 3, 9, 27, 37, 111, 127, 131, 333, 381, 393, 999, 1143, 1179, 3429, 3537, 4699, 4847, 14097, 14541, 16637, 42291, 43623, 49911, 126873, 130869, 149733, 449199, 615569, 1846707, 5540121, 16620363]

約数ペア:

[(1, 16620363), (3, 5540121), (9, 1846707), (27, 615569), (37, 449199), (111, 149733), (127, 130869), (131, 126873), (333, 49911), (381, 43623), (393, 42291), (999, 16637), (1143, 14541), (1179, 14097), (3429, 4847), (3537, 4699)]