30206985

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1471}}^1$

素因数の和:1553

約数の個数: 24

約数和(自身を含む): 49706496

約数和(自身を除く): 19499511

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 1369, 1471, 4107, 4413, 6845, 7355, 20535, 22065, 54427, 163281, 272135, 816405, 2013799, 6041397, 10068995, 30206985]

約数ペア:

[(1, 30206985), (3, 10068995), (5, 6041397), (15, 2013799), (37, 816405), (111, 272135), (185, 163281), (555, 54427), (1369, 22065), (1471, 20535), (4107, 7355), (4413, 6845)]