13819815

素因数分解:

$3^4\times 5^1\times {\mathrm{34123}}^1$

素因数の和:34140

約数の個数: 20

約数和(自身を含む): 24774024

約数和(自身を除く): 10954209

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 34123, 102369, 170615, 307107, 511845, 921321, 1535535, 2763963, 4606605, 13819815]

約数ペア:

[(1, 13819815), (3, 4606605), (5, 2763963), (9, 1535535), (15, 921321), (27, 511845), (45, 307107), (81, 170615), (135, 102369), (405, 34123)]