28278195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{171383}}^1$

素因数の和:171402

約数の個数: 16

約数和(自身を含む): 49358592

約数和(自身を除く): 21080397

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 171383, 514149, 856915, 1885213, 2570745, 5655639, 9426065, 28278195]

約数ペア:

[(1, 28278195), (3, 9426065), (5, 5655639), (11, 2570745), (15, 1885213), (33, 856915), (55, 514149), (165, 171383)]