28287777

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{13337}}^1$

素因数の和:13448

約数の個数: 16

約数和(自身を含む): 43535232

約数和(自身を除く): 15247455

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 13337, 40011, 93359, 280077, 1347037, 4041111, 9429259, 28287777]

約数ペア:

[(1, 28287777), (3, 9429259), (7, 4041111), (21, 1347037), (101, 280077), (303, 93359), (707, 40011), (2121, 13337)]