30720309

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20771}}^1$

素因数の和:20820

約数の個数: 16

約数和(自身を含む): 44867520

約数和(自身を除く): 14147211

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 20771, 62313, 353107, 602359, 1059321, 1807077, 10240103, 30720309]

約数ペア:

[(1, 30720309), (3, 10240103), (17, 1807077), (29, 1059321), (51, 602359), (87, 353107), (493, 62313), (1479, 20771)]