8870121

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 14555520

約数和(自身を除く): 5685399

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 683, 999, 1443, 2049, 4329, 6147, 8879, 12987, 18441, 25271, 26637, 75813, 79911, 227439, 239733, 328523, 682317, 985569, 2956707, 8870121]

約数ペア:

[(1, 8870121), (3, 2956707), (9, 985569), (13, 682317), (27, 328523), (37, 239733), (39, 227439), (111, 79911), (117, 75813), (333, 26637), (351, 25271), (481, 18441), (683, 12987), (999, 8879), (1443, 6147), (2049, 4329)]