30019815

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{10589}}^1$

素因数の和:10613

約数の個数: 40

約数和(自身を含む): 61506720

約数和(自身を除く): 31486905

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 10589, 31767, 52945, 74123, 95301, 158835, 222369, 285903, 370615, 476505, 667107, 857709, 1111845, 1429515, 2001321, 3335535, 4288545, 6003963, 10006605, 30019815]

約数ペア:

[(1, 30019815), (3, 10006605), (5, 6003963), (7, 4288545), (9, 3335535), (15, 2001321), (21, 1429515), (27, 1111845), (35, 857709), (45, 667107), (63, 476505), (81, 370615), (105, 285903), (135, 222369), (189, 158835), (315, 95301), (405, 74123), (567, 52945), (945, 31767), (2835, 10589)]