2005065

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 3681288

約数和(自身を除く): 1676223

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2621, 7863, 13105, 23589, 39315, 44557, 117945, 133671, 222785, 401013, 668355, 2005065]

約数ペア:

[(1, 2005065), (3, 668355), (5, 401013), (9, 222785), (15, 133671), (17, 117945), (45, 44557), (51, 39315), (85, 23589), (153, 13105), (255, 7863), (765, 2621)]