817275

素因数分解:

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

素因数の和:671

約数の個数: 24

約数和(自身を含む): 1432944

約数和(自身を除く): 615669

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 641, 1275, 1923, 3205, 9615, 10897, 16025, 32691, 48075, 54485, 163455, 272425, 817275]

約数ペア:

[(1, 817275), (3, 272425), (5, 163455), (15, 54485), (17, 48075), (25, 32691), (51, 16025), (75, 10897), (85, 9615), (255, 3205), (425, 1923), (641, 1275)]