205403715

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{138319}}^1$

素因数の和:138344

約数の個数: 32

約数和(自身を含む): 398361600

約数和(自身を除く): 192957885

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 138319, 414957, 691595, 1244871, 1521509, 2074785, 3734613, 4564527, 6224355, 7607545, 13693581, 18673065, 22822635, 41080743, 68467905, 205403715]

約数ペア:

[(1, 205403715), (3, 68467905), (5, 41080743), (9, 22822635), (11, 18673065), (15, 13693581), (27, 7607545), (33, 6224355), (45, 4564527), (55, 3734613), (99, 2074785), (135, 1521509), (165, 1244871), (297, 691595), (495, 414957), (1485, 138319)]