128436723

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{2657}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 191567376

約数和(自身を除く): 63130653

約数列:

[1, 3, 9, 41, 123, 131, 369, 393, 1179, 2657, 5371, 7971, 16113, 23913, 48339, 108937, 326811, 348067, 980433, 1044201, 3132603, 14270747, 42812241, 128436723]

約数ペア:

[(1, 128436723), (3, 42812241), (9, 14270747), (41, 3132603), (123, 1044201), (131, 980433), (369, 348067), (393, 326811), (1179, 108937), (2657, 48339), (5371, 23913), (7971, 16113)]