29980215

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4793}}^1$

素因数の和:4943

約数の個数: 24

約数和(自身を含む): 52350480

約数和(自身を除く): 22370265

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 4793, 6255, 14379, 23965, 43137, 71895, 215685, 666227, 1998681, 3331135, 5996043, 9993405, 29980215]

約数ペア:

[(1, 29980215), (3, 9993405), (5, 5996043), (9, 3331135), (15, 1998681), (45, 666227), (139, 215685), (417, 71895), (695, 43137), (1251, 23965), (2085, 14379), (4793, 6255)]