81021315

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{35771}}^1$

素因数の和:35930

約数の個数: 16

約数和(自身を含む): 130496256

約数和(自身を除く): 49474941

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 35771, 107313, 178855, 536565, 5401421, 16204263, 27007105, 81021315]

約数ペア:

[(1, 81021315), (3, 27007105), (5, 16204263), (15, 5401421), (151, 536565), (453, 178855), (755, 107313), (2265, 35771)]