18259275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{14321}}^1$

素因数の和:14351

約数の個数: 24

約数和(自身を含む): 31966704

約数和(自身を除く): 13707429

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 14321, 42963, 71605, 214815, 243457, 358025, 730371, 1074075, 1217285, 3651855, 6086425, 18259275]

約数ペア:

[(1, 18259275), (3, 6086425), (5, 3651855), (15, 1217285), (17, 1074075), (25, 730371), (51, 358025), (75, 243457), (85, 214815), (255, 71605), (425, 42963), (1275, 14321)]