200812905

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{31649}}^1$

素因数の和:31710

約数の個数: 32

約数和(自身を含む): 364608000

約数和(自身を除く): 163795095

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 31649, 94947, 158245, 284841, 474735, 854523, 1424205, 1487503, 4272615, 4462509, 7437515, 13387527, 22312545, 40162581, 66937635, 200812905]

約数ペア:

[(1, 200812905), (3, 66937635), (5, 40162581), (9, 22312545), (15, 13387527), (27, 7437515), (45, 4462509), (47, 4272615), (135, 1487503), (141, 1424205), (235, 854523), (423, 474735), (705, 284841), (1269, 158245), (2115, 94947), (6345, 31649)]