289867815

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6689}}^1$

素因数の和:6813

約数の個数: 40

約数和(自身を含む): 524549520

約数和(自身を除く): 234681705

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 405, 535, 963, 1605, 2889, 4815, 6689, 8667, 14445, 20067, 33445, 43335, 60201, 100335, 180603, 301005, 541809, 715723, 903015, 2147169, 2709045, 3578615, 6441507, 10735845, 19324521, 32207535, 57973563, 96622605, 289867815]

約数ペア:

[(1, 289867815), (3, 96622605), (5, 57973563), (9, 32207535), (15, 19324521), (27, 10735845), (45, 6441507), (81, 3578615), (107, 2709045), (135, 2147169), (321, 903015), (405, 715723), (535, 541809), (963, 301005), (1605, 180603), (2889, 100335), (4815, 60201), (6689, 43335), (8667, 33445), (14445, 20067)]