180889947

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{5641}}^1$

素因数の和:6163

約数の個数: 24

約数和(自身を含む): 299251680

約数和(自身を除く): 118361733

約数列:

[1, 3, 7, 9, 21, 63, 509, 1527, 3563, 4581, 5641, 10689, 16923, 32067, 39487, 50769, 118461, 355383, 2871269, 8613807, 20098883, 25841421, 60296649, 180889947]

約数ペア:

[(1, 180889947), (3, 60296649), (7, 25841421), (9, 20098883), (21, 8613807), (63, 2871269), (509, 355383), (1527, 118461), (3563, 50769), (4581, 39487), (5641, 32067), (10689, 16923)]