490365

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 901368

約数和(自身を除く): 411003

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 641, 765, 1923, 3205, 5769, 9615, 10897, 28845, 32691, 54485, 98073, 163455, 490365]

約数ペア:

[(1, 490365), (3, 163455), (5, 98073), (9, 54485), (15, 32691), (17, 28845), (45, 10897), (51, 9615), (85, 5769), (153, 3205), (255, 1923), (641, 765)]