13888431

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 20807280

約数和(自身を除く): 6918849

約数列:

[1, 3, 9, 37, 111, 179, 233, 333, 537, 699, 1611, 2097, 6623, 8621, 19869, 25863, 41707, 59607, 77589, 125121, 375363, 1543159, 4629477, 13888431]

約数ペア:

[(1, 13888431), (3, 4629477), (9, 1543159), (37, 375363), (111, 125121), (179, 77589), (233, 59607), (333, 41707), (537, 25863), (699, 19869), (1611, 8621), (2097, 6623)]