289609617

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{19991}}^1$

素因数の和:20444

約数の個数: 16

約数和(自身を含む): 422231040

約数和(自身を除く): 132621423

約数列:

[1, 3, 11, 33, 439, 1317, 4829, 14487, 19991, 59973, 219901, 659703, 8776049, 26328147, 96536539, 289609617]

約数ペア:

[(1, 289609617), (3, 96536539), (11, 26328147), (33, 8776049), (439, 659703), (1317, 219901), (4829, 59973), (14487, 19991)]