205394553

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{250787}}^1$

素因数の和:250813

約数の個数: 24

約数和(自身を含む): 365147328

約数和(自身を除く): 159752775

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 250787, 752361, 1755509, 2257083, 3260231, 5266527, 9780693, 15799581, 22821617, 29342079, 68464851, 205394553]

約数ペア:

[(1, 205394553), (3, 68464851), (7, 29342079), (9, 22821617), (13, 15799581), (21, 9780693), (39, 5266527), (63, 3260231), (91, 2257083), (117, 1755509), (273, 752361), (819, 250787)]