1981095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{457}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 3374544

約数和(自身を除く): 1393449

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 457, 867, 1371, 1445, 2285, 4335, 6855, 7769, 23307, 38845, 116535, 132073, 396219, 660365, 1981095]

約数ペア:

[(1, 1981095), (3, 660365), (5, 396219), (15, 132073), (17, 116535), (51, 38845), (85, 23307), (255, 7769), (289, 6855), (457, 4335), (867, 2285), (1371, 1445)]